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Finding the Third Proportional to 12,606 and 27,138

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Solution

The third proportional to 12,606 and 27,138 is: 58,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606 : 27,138 = 27,138 : x
  2. Step 2: Convert to fraction form
    12,606/27,138 = 27,138/x
  3. Step 3: Cross multiply
    12,606x = 27,138 × 27,138
  4. Step 4: Simplify right side
    12,606x = 736,471,044
  5. Step 5: Solve for x
    x = 736,471,044/12,606
  6. Step 6: Final answer
    x = 58,422.26

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.