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Finding the Third Proportional to 2,733.75 and 3,993.19

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Solution

The third proportional to 2,733.75 and 3,993.19 is: 5,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.75 : 3,993.19 = 3,993.19 : x
  2. Step 2: Convert to fraction form
    2,733.75/3,993.19 = 3,993.19/x
  3. Step 3: Cross multiply
    2,733.75x = 3,993.19 × 3,993.19
  4. Step 4: Simplify right side
    2,733.75x = 15,945,546.41
  5. Step 5: Solve for x
    x = 15,945,546.41/2,733.75
  6. Step 6: Final answer
    x = 5,832.85

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.