What is the third proportional to 10 and 25?

More Questions from Ratio and Proportion

• In what ratio does the point T(x, 0) divide the segment joining the points S(5, 1) and U(-1, -2)?
• What number should be added to each of the numbers 55, 100, 65 and 116, so that the resulting numbers are in continued proportion?
• What is the fourth proportional to 336, 288 and 161?
• If P : Q : R = 2 : 3 : 5, then what is the value of (P + Q) : (Q + R) : (R + P)?
• The ratio of the amount of work done by (x-1) labours in (x+1) days and that done by (x+1) labours in (x+2) days is 5 : 6. Then the value of x is
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• Find the third proportional to 6 and 12.

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