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Finding the Third Proportional to 794 and 871

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Solution

The third proportional to 794 and 871 is: 955.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    794 : 871 = 871 : x
  2. Step 2: Convert to fraction form
    794/871 = 871/x
  3. Step 3: Cross multiply
    794x = 871 × 871
  4. Step 4: Simplify right side
    794x = 758,641
  5. Step 5: Solve for x
    x = 758,641/794
  6. Step 6: Final answer
    x = 955.47

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.