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Finding the Third Proportional to 41,552 and 90,721

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Solution

The third proportional to 41,552 and 90,721 is: 198,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,552 : 90,721 = 90,721 : x
  2. Step 2: Convert to fraction form
    41,552/90,721 = 90,721/x
  3. Step 3: Cross multiply
    41,552x = 90,721 × 90,721
  4. Step 4: Simplify right side
    41,552x = 8,230,299,841
  5. Step 5: Solve for x
    x = 8,230,299,841/41,552
  6. Step 6: Final answer
    x = 198,072.29

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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.