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Finding the Third Proportional to 3,775.13 and 6,239.25

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Solution

The third proportional to 3,775.13 and 6,239.25 is: 10,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.13 : 6,239.25 = 6,239.25 : x
  2. Step 2: Convert to fraction form
    3,775.13/6,239.25 = 6,239.25/x
  3. Step 3: Cross multiply
    3,775.13x = 6,239.25 × 6,239.25
  4. Step 4: Simplify right side
    3,775.13x = 38,928,240.56
  5. Step 5: Solve for x
    x = 38,928,240.56/3,775.13
  6. Step 6: Final answer
    x = 10,311.78

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.