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What is a Proportion?There are a few different ways to define a proportion. One way to describe a proportion is that it's an equation with two equal ratios. In other words, a proportion is when you have two fractions with an equals sign in the middle. Some proportions just have two fractions set equal to each other. Proportions can also have variables in one or both of the fractions. This lesson will show you how to solve for a variable that's in a proportion.

