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Finding the Third Proportional to 41,660 and 91,672

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Solution

The third proportional to 41,660 and 91,672 is: 201,722.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,660 : 91,672 = 91,672 : x
  2. Step 2: Convert to fraction form
    41,660/91,672 = 91,672/x
  3. Step 3: Cross multiply
    41,660x = 91,672 × 91,672
  4. Step 4: Simplify right side
    41,660x = 8,403,755,584
  5. Step 5: Solve for x
    x = 8,403,755,584/41,660
  6. Step 6: Final answer
    x = 201,722.41

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.