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Finding the Third Proportional to 266.26 and 572.38

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Solution

The third proportional to 266.26 and 572.38 is: 1,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.26 : 572.38 = 572.38 : x
  2. Step 2: Convert to fraction form
    266.26/572.38 = 572.38/x
  3. Step 3: Cross multiply
    266.26x = 572.38 × 572.38
  4. Step 4: Simplify right side
    266.26x = 327,617.61
  5. Step 5: Solve for x
    x = 327,617.61/266.26
  6. Step 6: Final answer
    x = 1,230.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.