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Finding the Third Proportional to 927 and 2,238.75

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Solution

The third proportional to 927 and 2,238.75 is: 5,406.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    927 : 2,238.75 = 2,238.75 : x
  2. Step 2: Convert to fraction form
    927/2,238.75 = 2,238.75/x
  3. Step 3: Cross multiply
    927x = 2,238.75 × 2,238.75
  4. Step 4: Simplify right side
    927x = 5,012,001.56
  5. Step 5: Solve for x
    x = 5,012,001.56/927
  6. Step 6: Final answer
    x = 5,406.69

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.