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Finding the Third Proportional to 3,750.19 and 5,331.09

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Solution

The third proportional to 3,750.19 and 5,331.09 is: 7,578.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.19 : 5,331.09 = 5,331.09 : x
  2. Step 2: Convert to fraction form
    3,750.19/5,331.09 = 5,331.09/x
  3. Step 3: Cross multiply
    3,750.19x = 5,331.09 × 5,331.09
  4. Step 4: Simplify right side
    3,750.19x = 28,420,560.57
  5. Step 5: Solve for x
    x = 28,420,560.57/3,750.19
  6. Step 6: Final answer
    x = 7,578.44

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.