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Finding the Third Proportional to 80,876 and 175,000

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Solution

The third proportional to 80,876 and 175,000 is: 378,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,876 : 175,000 = 175,000 : x
  2. Step 2: Convert to fraction form
    80,876/175,000 = 175,000/x
  3. Step 3: Cross multiply
    80,876x = 175,000 × 175,000
  4. Step 4: Simplify right side
    80,876x = 30,625,000,000
  5. Step 5: Solve for x
    x = 30,625,000,000/80,876
  6. Step 6: Final answer
    x = 378,666.11

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.