Select the correct answerWhat is the third proportional to 10 to 20?Options30504025

Question

Select the correct answerWhat is the third proportional to 10 to 20?Options30504025

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Solution

The third proportional to 10 and 20 is calculated as follows:

If a:b = b:c, then c is the third proportional to a and b.

Here, a=10 and b=20. We need to find c.

The formula to find the third proportional is (b^2)/a.

Substituting the given values into the formula, we get:

c = (20^2)/10 = 400/10 = 40

So, the third proportional to 10 and 20 is 40.

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