Find the mean proportion of: 5 and 80

Find the mean proportion of:
(i) 5 and 80
(ii) and
(iii) 8.1 and 2.5
(iv) (a – b) and (a³ – a²b), a> b

Solution:

What number must be added to each of the numbers 5, 11, 19 and 37 so that they are in proportion? (2009)

Solution:

More Solutions:

• If x + 5 is the mean proportion between x + 2 and x + 9.
• Find two numbers such that the mean proportional.
• If b is the mean proportional between a and c.
• Prove that a, b, c and d are in proportion.
• Prove that, If (x/a) = (y/b) = (z/c).
• Prove that, if (a/b) = (c/d) = (e/f).