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Finding the Third Proportional to 3,591 and 6,331.50

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Solution

The third proportional to 3,591 and 6,331.50 is: 11,163.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591 : 6,331.50 = 6,331.50 : x
  2. Step 2: Convert to fraction form
    3,591/6,331.50 = 6,331.50/x
  3. Step 3: Cross multiply
    3,591x = 6,331.50 × 6,331.50
  4. Step 4: Simplify right side
    3,591x = 40,087,892.25
  5. Step 5: Solve for x
    x = 40,087,892.25/3,591
  6. Step 6: Final answer
    x = 11,163.43

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.