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Finding the Third Proportional to 2,241 and 3,993.75

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Solution

The third proportional to 2,241 and 3,993.75 is: 7,117.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241 : 3,993.75 = 3,993.75 : x
  2. Step 2: Convert to fraction form
    2,241/3,993.75 = 3,993.75/x
  3. Step 3: Cross multiply
    2,241x = 3,993.75 × 3,993.75
  4. Step 4: Simplify right side
    2,241x = 15,950,039.06
  5. Step 5: Solve for x
    x = 15,950,039.06/2,241
  6. Step 6: Final answer
    x = 7,117.38

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.