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Finding the Third Proportional to 3,976 and 9,628

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Solution

The third proportional to 3,976 and 9,628 is: 23,314.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976 : 9,628 = 9,628 : x
  2. Step 2: Convert to fraction form
    3,976/9,628 = 9,628/x
  3. Step 3: Cross multiply
    3,976x = 9,628 × 9,628
  4. Step 4: Simplify right side
    3,976x = 92,698,384
  5. Step 5: Solve for x
    x = 92,698,384/3,976
  6. Step 6: Final answer
    x = 23,314.48

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.