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Finding the Third Proportional to 87,882 and 136,194

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Solution

The third proportional to 87,882 and 136,194 is: 211,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,882 : 136,194 = 136,194 : x
  2. Step 2: Convert to fraction form
    87,882/136,194 = 136,194/x
  3. Step 3: Cross multiply
    87,882x = 136,194 × 136,194
  4. Step 4: Simplify right side
    87,882x = 18,548,805,636
  5. Step 5: Solve for x
    x = 18,548,805,636/87,882
  6. Step 6: Final answer
    x = 211,064.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.