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Finding the Third Proportional to 37,162 and 80,129

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Solution

The third proportional to 37,162 and 80,129 is: 172,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,162 : 80,129 = 80,129 : x
  2. Step 2: Convert to fraction form
    37,162/80,129 = 80,129/x
  3. Step 3: Cross multiply
    37,162x = 80,129 × 80,129
  4. Step 4: Simplify right side
    37,162x = 6,420,656,641
  5. Step 5: Solve for x
    x = 6,420,656,641/37,162
  6. Step 6: Final answer
    x = 172,774.79

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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.