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Finding the Third Proportional to 4,208 and 8,683

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Solution

The third proportional to 4,208 and 8,683 is: 17,916.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208 : 8,683 = 8,683 : x
  2. Step 2: Convert to fraction form
    4,208/8,683 = 8,683/x
  3. Step 3: Cross multiply
    4,208x = 8,683 × 8,683
  4. Step 4: Simplify right side
    4,208x = 75,394,489
  5. Step 5: Solve for x
    x = 75,394,489/4,208
  6. Step 6: Final answer
    x = 17,916.94

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.