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Finding the Third Proportional to 88,520 and 132,876

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Solution

The third proportional to 88,520 and 132,876 is: 199,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,520 : 132,876 = 132,876 : x
  2. Step 2: Convert to fraction form
    88,520/132,876 = 132,876/x
  3. Step 3: Cross multiply
    88,520x = 132,876 × 132,876
  4. Step 4: Simplify right side
    88,520x = 17,656,031,376
  5. Step 5: Solve for x
    x = 17,656,031,376/88,520
  6. Step 6: Final answer
    x = 199,458.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.