Question

find the mean proportion 3and108?​

Answer 1

If y is the mean proportional of x and z, y^2 = xz, i.e., y = +√xz. If x, y and z are in continued proportion then z is called the third proportional. For example, the third proportional of 4, 8 is 16.

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Answer 2

Answer:

18

Step-by-step explanation:

Let the mean proportion between 3 &108 be=x

Now, 3:x::x:108

x²=3×108

x²=324

x=√324

x=18

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