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Finding the Third Proportional to 87,849 and 191,600

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Solution

The third proportional to 87,849 and 191,600 is: 417,882.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,849 : 191,600 = 191,600 : x
  2. Step 2: Convert to fraction form
    87,849/191,600 = 191,600/x
  3. Step 3: Cross multiply
    87,849x = 191,600 × 191,600
  4. Step 4: Simplify right side
    87,849x = 36,710,560,000
  5. Step 5: Solve for x
    x = 36,710,560,000/87,849
  6. Step 6: Final answer
    x = 417,882.50

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.