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Finding the Third Proportional to 8,239 and 8,941

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Solution

The third proportional to 8,239 and 8,941 is: 9,702.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239 : 8,941 = 8,941 : x
  2. Step 2: Convert to fraction form
    8,239/8,941 = 8,941/x
  3. Step 3: Cross multiply
    8,239x = 8,941 × 8,941
  4. Step 4: Simplify right side
    8,239x = 79,941,481
  5. Step 5: Solve for x
    x = 79,941,481/8,239
  6. Step 6: Final answer
    x = 9,702.81

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.