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Finding the Third Proportional to 51,874 and 80,110

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Solution

The third proportional to 51,874 and 80,110 is: 123,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,874 : 80,110 = 80,110 : x
  2. Step 2: Convert to fraction form
    51,874/80,110 = 80,110/x
  3. Step 3: Cross multiply
    51,874x = 80,110 × 80,110
  4. Step 4: Simplify right side
    51,874x = 6,417,612,100
  5. Step 5: Solve for x
    x = 6,417,612,100/51,874
  6. Step 6: Final answer
    x = 123,715.39

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.