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Finding the Third Proportional to 44,622 and 71,781

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Solution

The third proportional to 44,622 and 71,781 is: 115,470.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,622 : 71,781 = 71,781 : x
  2. Step 2: Convert to fraction form
    44,622/71,781 = 71,781/x
  3. Step 3: Cross multiply
    44,622x = 71,781 × 71,781
  4. Step 4: Simplify right side
    44,622x = 5,152,511,961
  5. Step 5: Solve for x
    x = 5,152,511,961/44,622
  6. Step 6: Final answer
    x = 115,470.22

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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.