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Finding the Third Proportional to 5,859 and 12,747

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Solution

The third proportional to 5,859 and 12,747 is: 27,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859 : 12,747 = 12,747 : x
  2. Step 2: Convert to fraction form
    5,859/12,747 = 12,747/x
  3. Step 3: Cross multiply
    5,859x = 12,747 × 12,747
  4. Step 4: Simplify right side
    5,859x = 162,486,009
  5. Step 5: Solve for x
    x = 162,486,009/5,859
  6. Step 6: Final answer
    x = 27,732.72

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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.