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Finding the Third Proportional to 206,470 and 437,750

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Solution

The third proportional to 206,470 and 437,750 is: 928,101.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,470 : 437,750 = 437,750 : x
  2. Step 2: Convert to fraction form
    206,470/437,750 = 437,750/x
  3. Step 3: Cross multiply
    206,470x = 437,750 × 437,750
  4. Step 4: Simplify right side
    206,470x = 191,625,062,500
  5. Step 5: Solve for x
    x = 191,625,062,500/206,470
  6. Step 6: Final answer
    x = 928,101.24

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.