Question

What is the mean proportional of 4 and 25?

Answer 1

Answer:

The mean proportional of 4 and 25 is 10.

Step-by-step explanation:

We have to find the men proportional of 4 and 25

Let us consider b as the mean proportional between a and c [b is the mean proportional which we have to find]    

We know a=4 and c=25

So we have

$\bold{b^{2}}$=a c

Substitute the value of a and c in the above eqn

Therefore, $b^{2}$=4 x 25

$b^{2}$=100

b=√100

b=±10

Here b cannot be negative

Hence the value of b =10

Therefore mean proportional b=10

Answer 2

answer :- The mean proportional of 4 and 25 is 10.

The mean proportional of 4 and 25 is 10.Step-by-step explanation:

The mean proportional of 4 and 25 is 10.Step-by-step explanation:We have to find the men proportional of 4 and 25

We know a=4 and c=25

We know a=4 and c=25So we have :-

B² = ac

:- B² = 4×25

:- B² = 100

:- B = √100

:- B = 10

so, value of B is 10

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