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Finding the Third Proportional to 3,732.75 and 5,231.81

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Solution

The third proportional to 3,732.75 and 5,231.81 is: 7,332.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.75 : 5,231.81 = 5,231.81 : x
  2. Step 2: Convert to fraction form
    3,732.75/5,231.81 = 5,231.81/x
  3. Step 3: Cross multiply
    3,732.75x = 5,231.81 × 5,231.81
  4. Step 4: Simplify right side
    3,732.75x = 27,371,862.04
  5. Step 5: Solve for x
    x = 27,371,862.04/3,732.75
  6. Step 6: Final answer
    x = 7,332.89

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.