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Finding the Third Proportional to 43,874 and 69,587

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Solution

The third proportional to 43,874 and 69,587 is: 110,369.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,874 : 69,587 = 69,587 : x
  2. Step 2: Convert to fraction form
    43,874/69,587 = 69,587/x
  3. Step 3: Cross multiply
    43,874x = 69,587 × 69,587
  4. Step 4: Simplify right side
    43,874x = 4,842,350,569
  5. Step 5: Solve for x
    x = 4,842,350,569/43,874
  6. Step 6: Final answer
    x = 110,369.48

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.