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Finding the Third Proportional to 5,839 and 12,649

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Solution

The third proportional to 5,839 and 12,649 is: 27,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,839 : 12,649 = 12,649 : x
  2. Step 2: Convert to fraction form
    5,839/12,649 = 12,649/x
  3. Step 3: Cross multiply
    5,839x = 12,649 × 12,649
  4. Step 4: Simplify right side
    5,839x = 159,997,201
  5. Step 5: Solve for x
    x = 159,997,201/5,839
  6. Step 6: Final answer
    x = 27,401.47

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.