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Finding the Third Proportional to 266.73 and 552.76

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Solution

The third proportional to 266.73 and 552.76 is: 1,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.73 : 552.76 = 552.76 : x
  2. Step 2: Convert to fraction form
    266.73/552.76 = 552.76/x
  3. Step 3: Cross multiply
    266.73x = 552.76 × 552.76
  4. Step 4: Simplify right side
    266.73x = 305,545.52
  5. Step 5: Solve for x
    x = 305,545.52/266.73
  6. Step 6: Final answer
    x = 1,145.52

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.