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Finding the Third Proportional to 12,342 and 26,874

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Solution

The third proportional to 12,342 and 26,874 is: 58,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342 : 26,874 = 26,874 : x
  2. Step 2: Convert to fraction form
    12,342/26,874 = 26,874/x
  3. Step 3: Cross multiply
    12,342x = 26,874 × 26,874
  4. Step 4: Simplify right side
    12,342x = 722,211,876
  5. Step 5: Solve for x
    x = 722,211,876/12,342
  6. Step 6: Final answer
    x = 58,516.60

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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.