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Finding the Third Proportional to 3,578.25 and 7,257.56

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Solution

The third proportional to 3,578.25 and 7,257.56 is: 14,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.25 : 7,257.56 = 7,257.56 : x
  2. Step 2: Convert to fraction form
    3,578.25/7,257.56 = 7,257.56/x
  3. Step 3: Cross multiply
    3,578.25x = 7,257.56 × 7,257.56
  4. Step 4: Simplify right side
    3,578.25x = 52,672,213.44
  5. Step 5: Solve for x
    x = 52,672,213.44/3,578.25
  6. Step 6: Final answer
    x = 14,720.10

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.