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Finding the Third Proportional to 87,772 and 132,275

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Solution

The third proportional to 87,772 and 132,275 is: 199,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,772 : 132,275 = 132,275 : x
  2. Step 2: Convert to fraction form
    87,772/132,275 = 132,275/x
  3. Step 3: Cross multiply
    87,772x = 132,275 × 132,275
  4. Step 4: Simplify right side
    87,772x = 17,496,675,625
  5. Step 5: Solve for x
    x = 17,496,675,625/87,772
  6. Step 6: Final answer
    x = 199,342.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.