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Finding the Third Proportional to 87,886 and 207,370

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Solution

The third proportional to 87,886 and 207,370 is: 489,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,886 : 207,370 = 207,370 : x
  2. Step 2: Convert to fraction form
    87,886/207,370 = 207,370/x
  3. Step 3: Cross multiply
    87,886x = 207,370 × 207,370
  4. Step 4: Simplify right side
    87,886x = 43,002,316,900
  5. Step 5: Solve for x
    x = 43,002,316,900/87,886
  6. Step 6: Final answer
    x = 489,296.55

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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.