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Finding the Third Proportional to 266.75 and 352.88

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Solution

The third proportional to 266.75 and 352.88 is: 466.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.75 : 352.88 = 352.88 : x
  2. Step 2: Convert to fraction form
    266.75/352.88 = 352.88/x
  3. Step 3: Cross multiply
    266.75x = 352.88 × 352.88
  4. Step 4: Simplify right side
    266.75x = 124,520.77
  5. Step 5: Solve for x
    x = 124,520.77/266.75
  6. Step 6: Final answer
    x = 466.81

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.