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Finding the Third Proportional to 6,279 and 13,637

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Solution

The third proportional to 6,279 and 13,637 is: 29,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279 : 13,637 = 13,637 : x
  2. Step 2: Convert to fraction form
    6,279/13,637 = 13,637/x
  3. Step 3: Cross multiply
    6,279x = 13,637 × 13,637
  4. Step 4: Simplify right side
    6,279x = 185,967,769
  5. Step 5: Solve for x
    x = 185,967,769/6,279
  6. Step 6: Final answer
    x = 29,617.42

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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.