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Finding the Third Proportional to 4,011 and 9,639

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Solution

The third proportional to 4,011 and 9,639 is: 23,163.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,011 : 9,639 = 9,639 : x
  2. Step 2: Convert to fraction form
    4,011/9,639 = 9,639/x
  3. Step 3: Cross multiply
    4,011x = 9,639 × 9,639
  4. Step 4: Simplify right side
    4,011x = 92,910,321
  5. Step 5: Solve for x
    x = 92,910,321/4,011
  6. Step 6: Final answer
    x = 23,163.88

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Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.