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Finding the Third Proportional to 4,063 and 8,279

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Solution

The third proportional to 4,063 and 8,279 is: 16,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,063 : 8,279 = 8,279 : x
  2. Step 2: Convert to fraction form
    4,063/8,279 = 8,279/x
  3. Step 3: Cross multiply
    4,063x = 8,279 × 8,279
  4. Step 4: Simplify right side
    4,063x = 68,541,841
  5. Step 5: Solve for x
    x = 68,541,841/4,063
  6. Step 6: Final answer
    x = 16,869.76

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.