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Finding the Third Proportional to 6,248.50 and 13,739

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Solution

The third proportional to 6,248.50 and 13,739 is: 30,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.50 : 13,739 = 13,739 : x
  2. Step 2: Convert to fraction form
    6,248.50/13,739 = 13,739/x
  3. Step 3: Cross multiply
    6,248.50x = 13,739 × 13,739
  4. Step 4: Simplify right side
    6,248.50x = 188,760,121
  5. Step 5: Solve for x
    x = 188,760,121/6,248.50
  6. Step 6: Final answer
    x = 30,208.87

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.