What smallest positive number should be subtracted from 2 and 3 so that 4 is the third proportion to them?

If the third proportional of 28 and 70 be x, then what is the value of x?

If the third proportional of 4 and 16 be x, then what is the value of x?​

T1 and T2 are the third proportional to 16, 36 and 24, 60, respectively. Find the ratio of T1 to T2.

What is the smallest number that should be added to 40 so that the result is the third proportional to 16 and 28?

Find the ratio between the third proportional of 32 and 48 with the third proportional of 4 and 18.

Find the third proportional of 18 and 30.

Given that X is the third proportional of 20 and Y, if Y is the sum of the first three prime numbers, then the value of X is: