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Finding the Third Proportional to 285,469 and 627,451

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Solution

The third proportional to 285,469 and 627,451 is: 1,379,115.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,469 : 627,451 = 627,451 : x
  2. Step 2: Convert to fraction form
    285,469/627,451 = 627,451/x
  3. Step 3: Cross multiply
    285,469x = 627,451 × 627,451
  4. Step 4: Simplify right side
    285,469x = 393,694,757,401
  5. Step 5: Solve for x
    x = 393,694,757,401/285,469
  6. Step 6: Final answer
    x = 1,379,115.62

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.