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Finding the Third Proportional to 37,489.50 and 80,811

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Solution

The third proportional to 37,489.50 and 80,811 is: 174,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,489.50 : 80,811 = 80,811 : x
  2. Step 2: Convert to fraction form
    37,489.50/80,811 = 80,811/x
  3. Step 3: Cross multiply
    37,489.50x = 80,811 × 80,811
  4. Step 4: Simplify right side
    37,489.50x = 6,530,417,721
  5. Step 5: Solve for x
    x = 6,530,417,721/37,489.50
  6. Step 6: Final answer
    x = 174,193.25

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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.