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Finding the Third Proportional to 87,936 and 207,496

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Solution

The third proportional to 87,936 and 207,496 is: 489,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,936 : 207,496 = 207,496 : x
  2. Step 2: Convert to fraction form
    87,936/207,496 = 207,496/x
  3. Step 3: Cross multiply
    87,936x = 207,496 × 207,496
  4. Step 4: Simplify right side
    87,936x = 43,054,590,016
  5. Step 5: Solve for x
    x = 43,054,590,016/87,936
  6. Step 6: Final answer
    x = 489,612.79

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.