Home / 72,375-159,475

Finding the Third Proportional to 72,375 and 159,475

Calculator

Solution

The third proportional to 72,375 and 159,475 is: 351,395.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,375 : 159,475 = 159,475 : x
  2. Step 2: Convert to fraction form
    72,375/159,475 = 159,475/x
  3. Step 3: Cross multiply
    72,375x = 159,475 × 159,475
  4. Step 4: Simplify right side
    72,375x = 25,432,275,625
  5. Step 5: Solve for x
    x = 25,432,275,625/72,375
  6. Step 6: Final answer
    x = 351,395.86

Related Problems

Find third proportional to 36,187.50 and 79,737.50
Half scale
Find third proportional to 144,750 and 318,950
Double scale
Find third proportional to 72,377 and 159,479
Similar ratio
Find third proportional to 108,562.50 and 239,212.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.