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Finding the Third Proportional to 41,552 and 66,840

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Solution

The third proportional to 41,552 and 66,840 is: 107,517.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,552 : 66,840 = 66,840 : x
  2. Step 2: Convert to fraction form
    41,552/66,840 = 66,840/x
  3. Step 3: Cross multiply
    41,552x = 66,840 × 66,840
  4. Step 4: Simplify right side
    41,552x = 4,467,585,600
  5. Step 5: Solve for x
    x = 4,467,585,600/41,552
  6. Step 6: Final answer
    x = 107,517.94

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.