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Finding the Third Proportional to 3,785.48 and 8,149.36

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Solution

The third proportional to 3,785.48 and 8,149.36 is: 17,543.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.48 : 8,149.36 = 8,149.36 : x
  2. Step 2: Convert to fraction form
    3,785.48/8,149.36 = 8,149.36/x
  3. Step 3: Cross multiply
    3,785.48x = 8,149.36 × 8,149.36
  4. Step 4: Simplify right side
    3,785.48x = 66,412,058.22
  5. Step 5: Solve for x
    x = 66,412,058.22/3,785.48
  6. Step 6: Final answer
    x = 17,543.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.