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Finding the Third Proportional to 566.75 and 871.38

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Solution

The third proportional to 566.75 and 871.38 is: 1,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.75 : 871.38 = 871.38 : x
  2. Step 2: Convert to fraction form
    566.75/871.38 = 871.38/x
  3. Step 3: Cross multiply
    566.75x = 871.38 × 871.38
  4. Step 4: Simplify right side
    566.75x = 759,294.39
  5. Step 5: Solve for x
    x = 759,294.39/566.75
  6. Step 6: Final answer
    x = 1,339.73

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.