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Finding the Third Proportional to 37,449 and 81,456.75

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Solution

The third proportional to 37,449 and 81,456.75 is: 177,179.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,449 : 81,456.75 = 81,456.75 : x
  2. Step 2: Convert to fraction form
    37,449/81,456.75 = 81,456.75/x
  3. Step 3: Cross multiply
    37,449x = 81,456.75 × 81,456.75
  4. Step 4: Simplify right side
    37,449x = 6,635,202,120.56
  5. Step 5: Solve for x
    x = 6,635,202,120.56/37,449
  6. Step 6: Final answer
    x = 177,179.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.