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Finding the Third Proportional to 4,329 and 8,839

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Solution

The third proportional to 4,329 and 8,839 is: 18,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329 : 8,839 = 8,839 : x
  2. Step 2: Convert to fraction form
    4,329/8,839 = 8,839/x
  3. Step 3: Cross multiply
    4,329x = 8,839 × 8,839
  4. Step 4: Simplify right side
    4,329x = 78,127,921
  5. Step 5: Solve for x
    x = 78,127,921/4,329
  6. Step 6: Final answer
    x = 18,047.57

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.