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Finding the Third Proportional to 3,508.88 and 5,474.25

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Solution

The third proportional to 3,508.88 and 5,474.25 is: 8,540.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.88 : 5,474.25 = 5,474.25 : x
  2. Step 2: Convert to fraction form
    3,508.88/5,474.25 = 5,474.25/x
  3. Step 3: Cross multiply
    3,508.88x = 5,474.25 × 5,474.25
  4. Step 4: Simplify right side
    3,508.88x = 29,967,413.06
  5. Step 5: Solve for x
    x = 29,967,413.06/3,508.88
  6. Step 6: Final answer
    x = 8,540.46

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.