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Finding the Third Proportional to 3,789.75 and 5,233.75

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Solution

The third proportional to 3,789.75 and 5,233.75 is: 7,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.75 : 5,233.75 = 5,233.75 : x
  2. Step 2: Convert to fraction form
    3,789.75/5,233.75 = 5,233.75/x
  3. Step 3: Cross multiply
    3,789.75x = 5,233.75 × 5,233.75
  4. Step 4: Simplify right side
    3,789.75x = 27,392,139.06
  5. Step 5: Solve for x
    x = 27,392,139.06/3,789.75
  6. Step 6: Final answer
    x = 7,227.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.