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Finding the Third Proportional to 3,924 and 9,756

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Solution

The third proportional to 3,924 and 9,756 is: 24,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924 : 9,756 = 9,756 : x
  2. Step 2: Convert to fraction form
    3,924/9,756 = 9,756/x
  3. Step 3: Cross multiply
    3,924x = 9,756 × 9,756
  4. Step 4: Simplify right side
    3,924x = 95,179,536
  5. Step 5: Solve for x
    x = 95,179,536/3,924
  6. Step 6: Final answer
    x = 24,255.74

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Why These Related Problems?

These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.