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Finding the Third Proportional to 266.75 and 565.13

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Solution

The third proportional to 266.75 and 565.13 is: 1,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.75 : 565.13 = 565.13 : x
  2. Step 2: Convert to fraction form
    266.75/565.13 = 565.13/x
  3. Step 3: Cross multiply
    266.75x = 565.13 × 565.13
  4. Step 4: Simplify right side
    266.75x = 319,366.27
  5. Step 5: Solve for x
    x = 319,366.27/266.75
  6. Step 6: Final answer
    x = 1,197.25

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.