Home / 72,728-106,699

Finding the Third Proportional to 72,728 and 106,699

Calculator

Solution

The third proportional to 72,728 and 106,699 is: 156,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,728 : 106,699 = 106,699 : x
  2. Step 2: Convert to fraction form
    72,728/106,699 = 106,699/x
  3. Step 3: Cross multiply
    72,728x = 106,699 × 106,699
  4. Step 4: Simplify right side
    72,728x = 11,384,676,601
  5. Step 5: Solve for x
    x = 11,384,676,601/72,728
  6. Step 6: Final answer
    x = 156,537.74

Related Problems

Find third proportional to 36,364 and 53,349.50
Half scale
Find third proportional to 145,456 and 213,398
Double scale
Find third proportional to 72,730 and 106,702
Similar ratio
Find third proportional to 109,092 and 160,048.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.