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Finding the Third Proportional to 3,454.88 and 5,317.88

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Solution

The third proportional to 3,454.88 and 5,317.88 is: 8,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.88 : 5,317.88 = 5,317.88 : x
  2. Step 2: Convert to fraction form
    3,454.88/5,317.88 = 5,317.88/x
  3. Step 3: Cross multiply
    3,454.88x = 5,317.88 × 5,317.88
  4. Step 4: Simplify right side
    3,454.88x = 28,279,794.52
  5. Step 5: Solve for x
    x = 28,279,794.52/3,454.88
  6. Step 6: Final answer
    x = 8,185.48

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.