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Finding the Third Proportional to 3,761.44 and 8,103.80

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Solution

The third proportional to 3,761.44 and 8,103.80 is: 17,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.44 : 8,103.80 = 8,103.80 : x
  2. Step 2: Convert to fraction form
    3,761.44/8,103.80 = 8,103.80/x
  3. Step 3: Cross multiply
    3,761.44x = 8,103.80 × 8,103.80
  4. Step 4: Simplify right side
    3,761.44x = 65,671,523.79
  5. Step 5: Solve for x
    x = 65,671,523.79/3,761.44
  6. Step 6: Final answer
    x = 17,459.16

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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.