Solving Ratio & Proportion Equations - [6-3-5]

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Twitter: / jasongibsonmath
In this lesson, you will learn how to solve ratio and proportion equations. In this type of equations, we can often cross multiply and cancel terms on both sides of the equal sign. The goal is to get the variable by itself on one side, so that we know the value of the unknown variable. Ratio and proportion problems are a type of equation that is very common in math, science, and engineering.

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[@242math]

great tutorial on ratio and proportion, thanks for sharing

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[@greg7191]

So always use the Denominator reguardless if it's a know or unknown value & multiply (it) to both numerators. Then cancel out equal value numerator & denominator. Repeat & continue to multiply & divide untill there is no denominator for ansewer. I hope I have it!

[@MathAndScience]

You got it!

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here is a short way ..my greeting to you

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It is also a revision and easy... But your method teaches the rules in steps...!!!
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Please confirm the formula also which can apply to it👍 Thank you

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[@ssrkchaudhary7888]

Sir, I have one question for you. What are 'Equations' ? Please try to define them. I hope you will try to reply as soon as possible. I will be looking forward to you reply. Thank you!

[@alvinscharles498]

An Equation is an entity with with one side being equal to the other. Basically, both sides are different ways of expressing the same thing.

[@shan6021]

An equation is a statement that two mathematical expressions, on either side of the “=“ sign, are equal, the same.

[@hemarajue2736]

An equation is like a physical balance that maintains same weight on both sides.
X=2 is an equation
Add 2 to both sides
X+2=2+2
Subtract 2 on both sides
We get x=2.
Likewise you can perform multiplication, division and so on both sides that will not change the value of X.

[@MathAndScience]

An equation is any mathematical statement that contains an equal sign.

[@rigaudmoise3679]

WHAT WOULD HAPPEN IF THE NUMBERS ARE NOT DIVISIBLE OR IF THE NUMBER ARE ONE PAIR DIVISIBE AND THE OTHER PAIR IS NOT ?

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What is x _4= 6_3

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These are equations right?

[@hemarajue2736]

In a class the ratio of boys to girls is 3:2. If the number of girls in the class is 20, what's the number of boys?
Ans: 3:2=x:20
2x=20×3
2x=60
X=30 number of boys.

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