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Finding the Third Proportional to 3,631.88 and 5,433.56

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Solution

The third proportional to 3,631.88 and 5,433.56 is: 8,129.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.88 : 5,433.56 = 5,433.56 : x
  2. Step 2: Convert to fraction form
    3,631.88/5,433.56 = 5,433.56/x
  3. Step 3: Cross multiply
    3,631.88x = 5,433.56 × 5,433.56
  4. Step 4: Simplify right side
    3,631.88x = 29,523,601.44
  5. Step 5: Solve for x
    x = 29,523,601.44/3,631.88
  6. Step 6: Final answer
    x = 8,129.02

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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.