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Finding the Third Proportional to 6,279 and 9,399

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Solution

The third proportional to 6,279 and 9,399 is: 14,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279 : 9,399 = 9,399 : x
  2. Step 2: Convert to fraction form
    6,279/9,399 = 9,399/x
  3. Step 3: Cross multiply
    6,279x = 9,399 × 9,399
  4. Step 4: Simplify right side
    6,279x = 88,341,201
  5. Step 5: Solve for x
    x = 88,341,201/6,279
  6. Step 6: Final answer
    x = 14,069.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.