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Finding the Third Proportional to 3,382.50 and 6,279

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Solution

The third proportional to 3,382.50 and 6,279 is: 11,655.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.50 : 6,279 = 6,279 : x
  2. Step 2: Convert to fraction form
    3,382.50/6,279 = 6,279/x
  3. Step 3: Cross multiply
    3,382.50x = 6,279 × 6,279
  4. Step 4: Simplify right side
    3,382.50x = 39,425,841
  5. Step 5: Solve for x
    x = 39,425,841/3,382.50
  6. Step 6: Final answer
    x = 11,655.83

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.