Home / 20,160-31,332

Finding the Third Proportional to 20,160 and 31,332

Calculator

Solution

The third proportional to 20,160 and 31,332 is: 48,695.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160 : 31,332 = 31,332 : x
  2. Step 2: Convert to fraction form
    20,160/31,332 = 31,332/x
  3. Step 3: Cross multiply
    20,160x = 31,332 × 31,332
  4. Step 4: Simplify right side
    20,160x = 981,694,224
  5. Step 5: Solve for x
    x = 981,694,224/20,160
  6. Step 6: Final answer
    x = 48,695.15

Related Problems

Find third proportional to 10,080 and 15,666
Half scale
Find third proportional to 40,320 and 62,664
Double scale
Find third proportional to 20,162 and 31,335
Similar ratio
Find third proportional to 30,240 and 46,998
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.