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Finding the Third Proportional to 269.75 and 550.75

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Solution

The third proportional to 269.75 and 550.75 is: 1,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.75 : 550.75 = 550.75 : x
  2. Step 2: Convert to fraction form
    269.75/550.75 = 550.75/x
  3. Step 3: Cross multiply
    269.75x = 550.75 × 550.75
  4. Step 4: Simplify right side
    269.75x = 303,325.56
  5. Step 5: Solve for x
    x = 303,325.56/269.75
  6. Step 6: Final answer
    x = 1,124.47

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.