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Finding the Third Proportional to 12,743 and 27,230

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Solution

The third proportional to 12,743 and 27,230 is: 58,186.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743 : 27,230 = 27,230 : x
  2. Step 2: Convert to fraction form
    12,743/27,230 = 27,230/x
  3. Step 3: Cross multiply
    12,743x = 27,230 × 27,230
  4. Step 4: Simplify right side
    12,743x = 741,472,900
  5. Step 5: Solve for x
    x = 741,472,900/12,743
  6. Step 6: Final answer
    x = 58,186.68

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.