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Finding the Third Proportional to 125,722,438 and 187,809,364

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Solution

The third proportional to 125,722,438 and 187,809,364 is: 280,557,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,722,438 : 187,809,364 = 187,809,364 : x
  2. Step 2: Convert to fraction form
    125,722,438/187,809,364 = 187,809,364/x
  3. Step 3: Cross multiply
    125,722,438x = 187,809,364 × 187,809,364
  4. Step 4: Simplify right side
    125,722,438x = 35,272,357,206,084,496
  5. Step 5: Solve for x
    x = 35,272,357,206,084,496/125,722,438
  6. Step 6: Final answer
    x = 280,557,375.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.