How can you verify that the solution to a proportion is correct?

In problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. To find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

35x 3= 105

step-by-step explanation:

35+35= 70   70 + 35= 105