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Finding the Third Proportional to 16,939.13 and 22,330.69

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Solution

The third proportional to 16,939.13 and 22,330.69 is: 29,438.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.13 : 22,330.69 = 22,330.69 : x
  2. Step 2: Convert to fraction form
    16,939.13/22,330.69 = 22,330.69/x
  3. Step 3: Cross multiply
    16,939.13x = 22,330.69 × 22,330.69
  4. Step 4: Simplify right side
    16,939.13x = 498,659,604.22
  5. Step 5: Solve for x
    x = 498,659,604.22/16,939.13
  6. Step 6: Final answer
    x = 29,438.33

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.