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Finding the Third Proportional to 151,304 and 219,861

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Solution

The third proportional to 151,304 and 219,861 is: 319,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,304 : 219,861 = 219,861 : x
  2. Step 2: Convert to fraction form
    151,304/219,861 = 219,861/x
  3. Step 3: Cross multiply
    151,304x = 219,861 × 219,861
  4. Step 4: Simplify right side
    151,304x = 48,338,859,321
  5. Step 5: Solve for x
    x = 48,338,859,321/151,304
  6. Step 6: Final answer
    x = 319,481.70

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.