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Finding the Third Proportional to 80,771 and 165,571

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Solution

The third proportional to 80,771 and 165,571 is: 339,400.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,771 : 165,571 = 165,571 : x
  2. Step 2: Convert to fraction form
    80,771/165,571 = 165,571/x
  3. Step 3: Cross multiply
    80,771x = 165,571 × 165,571
  4. Step 4: Simplify right side
    80,771x = 27,413,756,041
  5. Step 5: Solve for x
    x = 27,413,756,041/80,771
  6. Step 6: Final answer
    x = 339,400.97

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.