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Finding the Third Proportional to 6,874 and 13,874

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Solution

The third proportional to 6,874 and 13,874 is: 28,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874 : 13,874 = 13,874 : x
  2. Step 2: Convert to fraction form
    6,874/13,874 = 13,874/x
  3. Step 3: Cross multiply
    6,874x = 13,874 × 13,874
  4. Step 4: Simplify right side
    6,874x = 192,487,876
  5. Step 5: Solve for x
    x = 192,487,876/6,874
  6. Step 6: Final answer
    x = 28,002.31

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.