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Finding the Third Proportional to 80,759 and 123,965

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Solution

The third proportional to 80,759 and 123,965 is: 190,286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,759 : 123,965 = 123,965 : x
  2. Step 2: Convert to fraction form
    80,759/123,965 = 123,965/x
  3. Step 3: Cross multiply
    80,759x = 123,965 × 123,965
  4. Step 4: Simplify right side
    80,759x = 15,367,321,225
  5. Step 5: Solve for x
    x = 15,367,321,225/80,759
  6. Step 6: Final answer
    x = 190,286.18

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.