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Finding the Third Proportional to 37,664 and 81,165

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Solution

The third proportional to 37,664 and 81,165 is: 174,908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,664 : 81,165 = 81,165 : x
  2. Step 2: Convert to fraction form
    37,664/81,165 = 81,165/x
  3. Step 3: Cross multiply
    37,664x = 81,165 × 81,165
  4. Step 4: Simplify right side
    37,664x = 6,587,757,225
  5. Step 5: Solve for x
    x = 6,587,757,225/37,664
  6. Step 6: Final answer
    x = 174,908.59

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.