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Finding the Third Proportional to 3,998.38 and 9,340.88

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Solution

The third proportional to 3,998.38 and 9,340.88 is: 21,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.38 : 9,340.88 = 9,340.88 : x
  2. Step 2: Convert to fraction form
    3,998.38/9,340.88 = 9,340.88/x
  3. Step 3: Cross multiply
    3,998.38x = 9,340.88 × 9,340.88
  4. Step 4: Simplify right side
    3,998.38x = 87,251,945.77
  5. Step 5: Solve for x
    x = 87,251,945.77/3,998.38
  6. Step 6: Final answer
    x = 21,821.85

Related Problems

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.