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Finding the Third Proportional to 9,110.75 and 19,801

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Solution

The third proportional to 9,110.75 and 19,801 is: 43,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.75 : 19,801 = 19,801 : x
  2. Step 2: Convert to fraction form
    9,110.75/19,801 = 19,801/x
  3. Step 3: Cross multiply
    9,110.75x = 19,801 × 19,801
  4. Step 4: Simplify right side
    9,110.75x = 392,079,601
  5. Step 5: Solve for x
    x = 392,079,601/9,110.75
  6. Step 6: Final answer
    x = 43,034.83

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.