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Finding the Third Proportional to 239,819.50 and 518,062.50

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Solution

The third proportional to 239,819.50 and 518,062.50 is: 1,119,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,819.50 : 518,062.50 = 518,062.50 : x
  2. Step 2: Convert to fraction form
    239,819.50/518,062.50 = 518,062.50/x
  3. Step 3: Cross multiply
    239,819.50x = 518,062.50 × 518,062.50
  4. Step 4: Simplify right side
    239,819.50x = 268,388,753,906.25
  5. Step 5: Solve for x
    x = 268,388,753,906.25/239,819.50
  6. Step 6: Final answer
    x = 1,119,128.15

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.