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Finding the Third Proportional to 6,879 and 14,823

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Solution

The third proportional to 6,879 and 14,823 is: 31,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879 : 14,823 = 14,823 : x
  2. Step 2: Convert to fraction form
    6,879/14,823 = 14,823/x
  3. Step 3: Cross multiply
    6,879x = 14,823 × 14,823
  4. Step 4: Simplify right side
    6,879x = 219,721,329
  5. Step 5: Solve for x
    x = 219,721,329/6,879
  6. Step 6: Final answer
    x = 31,940.88

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.