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Finding the Third Proportional to 87,976 and 195,580

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Solution

The third proportional to 87,976 and 195,580 is: 434,795.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,976 : 195,580 = 195,580 : x
  2. Step 2: Convert to fraction form
    87,976/195,580 = 195,580/x
  3. Step 3: Cross multiply
    87,976x = 195,580 × 195,580
  4. Step 4: Simplify right side
    87,976x = 38,251,536,400
  5. Step 5: Solve for x
    x = 38,251,536,400/87,976
  6. Step 6: Final answer
    x = 434,795.13

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.