Mathematics
If b is the mean proportional between a and c , prove that a, c, a2 + b2 and b2 + c2 are proportional.
Related Questions
What numbers must be added to each of the numbers 16, 26 and 40 so that the resulting numbers must be in continued proportion?
Find two numbers such that the mean proportional between them is 28 and the third proportional to them is 224.
If b is the mean proportional between a and c, prove that (ab + bc) is the mean proportional between (a2 + b2) and (b2 + c2).
If y is the mean proportional between x and z, prove that
xyz(x + y + z)3 = (xy + yz + zx)3