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Finding the Third Proportional to 240.27 and 523.79

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Solution

The third proportional to 240.27 and 523.79 is: 1,141.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.27 : 523.79 = 523.79 : x
  2. Step 2: Convert to fraction form
    240.27/523.79 = 523.79/x
  3. Step 3: Cross multiply
    240.27x = 523.79 × 523.79
  4. Step 4: Simplify right side
    240.27x = 274,356.77
  5. Step 5: Solve for x
    x = 274,356.77/240.27
  6. Step 6: Final answer
    x = 1,141.86

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.