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Finding the Third Proportional to 8,326 and 11,868

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Solution

The third proportional to 8,326 and 11,868 is: 16,916.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326 : 11,868 = 11,868 : x
  2. Step 2: Convert to fraction form
    8,326/11,868 = 11,868/x
  3. Step 3: Cross multiply
    8,326x = 11,868 × 11,868
  4. Step 4: Simplify right side
    8,326x = 140,849,424
  5. Step 5: Solve for x
    x = 140,849,424/8,326
  6. Step 6: Final answer
    x = 16,916.82

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.