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Finding the Third Proportional to 3,922 and 9,250

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Solution

The third proportional to 3,922 and 9,250 is: 21,816.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922 : 9,250 = 9,250 : x
  2. Step 2: Convert to fraction form
    3,922/9,250 = 9,250/x
  3. Step 3: Cross multiply
    3,922x = 9,250 × 9,250
  4. Step 4: Simplify right side
    3,922x = 85,562,500
  5. Step 5: Solve for x
    x = 85,562,500/3,922
  6. Step 6: Final answer
    x = 21,816.04

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.