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Finding the Third Proportional to 6,972 and 9,837

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Solution

The third proportional to 6,972 and 9,837 is: 13,879.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972 : 9,837 = 9,837 : x
  2. Step 2: Convert to fraction form
    6,972/9,837 = 9,837/x
  3. Step 3: Cross multiply
    6,972x = 9,837 × 9,837
  4. Step 4: Simplify right side
    6,972x = 96,766,569
  5. Step 5: Solve for x
    x = 96,766,569/6,972
  6. Step 6: Final answer
    x = 13,879.31

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.