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Finding the Third Proportional to 3,589.88 and 5,388.19

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Solution

The third proportional to 3,589.88 and 5,388.19 is: 8,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.88 : 5,388.19 = 5,388.19 : x
  2. Step 2: Convert to fraction form
    3,589.88/5,388.19 = 5,388.19/x
  3. Step 3: Cross multiply
    3,589.88x = 5,388.19 × 5,388.19
  4. Step 4: Simplify right side
    3,589.88x = 29,032,564.54
  5. Step 5: Solve for x
    x = 29,032,564.54/3,589.88
  6. Step 6: Final answer
    x = 8,087.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.