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Finding the Third Proportional to 87,656 and 130,132

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Solution

The third proportional to 87,656 and 130,132 is: 193,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,656 : 130,132 = 130,132 : x
  2. Step 2: Convert to fraction form
    87,656/130,132 = 130,132/x
  3. Step 3: Cross multiply
    87,656x = 130,132 × 130,132
  4. Step 4: Simplify right side
    87,656x = 16,934,337,424
  5. Step 5: Solve for x
    x = 16,934,337,424/87,656
  6. Step 6: Final answer
    x = 193,190.85

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.