Home / 14,728-20,712

Finding the Third Proportional to 14,728 and 20,712

Calculator

Solution

The third proportional to 14,728 and 20,712 is: 29,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728 : 20,712 = 20,712 : x
  2. Step 2: Convert to fraction form
    14,728/20,712 = 20,712/x
  3. Step 3: Cross multiply
    14,728x = 20,712 × 20,712
  4. Step 4: Simplify right side
    14,728x = 428,986,944
  5. Step 5: Solve for x
    x = 428,986,944/14,728
  6. Step 6: Final answer
    x = 29,127.30

Related Problems

Find third proportional to 7,364 and 10,356
Half scale
Find third proportional to 29,456 and 41,424
Double scale
Find third proportional to 14,730 and 20,715
Similar ratio
Find third proportional to 22,092 and 31,068
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.