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Finding the Third Proportional to 37,549 and 81,631

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Solution

The third proportional to 37,549 and 81,631 is: 177,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,549 : 81,631 = 81,631 : x
  2. Step 2: Convert to fraction form
    37,549/81,631 = 81,631/x
  3. Step 3: Cross multiply
    37,549x = 81,631 × 81,631
  4. Step 4: Simplify right side
    37,549x = 6,663,620,161
  5. Step 5: Solve for x
    x = 6,663,620,161/37,549
  6. Step 6: Final answer
    x = 177,464.65

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.