Question

find the third proportional of 16 and 9​

Answer 1

Answer:

Let the third proportional of 16 and 20 be x.

Then 16,20,x are in proportion.

This means 16:20=20:x

So, 16×x=20×20

x=

16

20×20

=25

Therefore, the third proportional of 16 and 20 is 25.

Answer 2

Answer:

12

when A,B,C are in continued proportion then B is said to be the mean proportional. Therefore, x = 12. So, the mean proportional of 9 and 16 is 12.

Step-by-step explanation:

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