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Finding the Third Proportional to 266.25 and 366.38

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Solution

The third proportional to 266.25 and 366.38 is: 504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.25 : 366.38 = 366.38 : x
  2. Step 2: Convert to fraction form
    266.25/366.38 = 366.38/x
  3. Step 3: Cross multiply
    266.25x = 366.38 × 366.38
  4. Step 4: Simplify right side
    266.25x = 134,230.64
  5. Step 5: Solve for x
    x = 134,230.64/266.25
  6. Step 6: Final answer
    x = 504.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.