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Finding the Third Proportional to 87,591 and 192,677

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Solution

The third proportional to 87,591 and 192,677 is: 423,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,591 : 192,677 = 192,677 : x
  2. Step 2: Convert to fraction form
    87,591/192,677 = 192,677/x
  3. Step 3: Cross multiply
    87,591x = 192,677 × 192,677
  4. Step 4: Simplify right side
    87,591x = 37,124,426,329
  5. Step 5: Solve for x
    x = 37,124,426,329/87,591
  6. Step 6: Final answer
    x = 423,838.37

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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.