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Finding the Third Proportional to 139,737.38 and 221,635.13

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Solution

The third proportional to 139,737.38 and 221,635.13 is: 351,531.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,737.38 : 221,635.13 = 221,635.13 : x
  2. Step 2: Convert to fraction form
    139,737.38/221,635.13 = 221,635.13/x
  3. Step 3: Cross multiply
    139,737.38x = 221,635.13 × 221,635.13
  4. Step 4: Simplify right side
    139,737.38x = 49,122,128,633.77
  5. Step 5: Solve for x
    x = 49,122,128,633.77/139,737.38
  6. Step 6: Final answer
    x = 351,531.78

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.