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Finding the Third Proportional to 87,624 and 191,466

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Solution

The third proportional to 87,624 and 191,466 is: 418,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,624 : 191,466 = 191,466 : x
  2. Step 2: Convert to fraction form
    87,624/191,466 = 191,466/x
  3. Step 3: Cross multiply
    87,624x = 191,466 × 191,466
  4. Step 4: Simplify right side
    87,624x = 36,659,229,156
  5. Step 5: Solve for x
    x = 36,659,229,156/87,624
  6. Step 6: Final answer
    x = 418,369.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.