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Finding the Third Proportional to 9,055 and 19,811

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Solution

The third proportional to 9,055 and 19,811 is: 43,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055 : 19,811 = 19,811 : x
  2. Step 2: Convert to fraction form
    9,055/19,811 = 19,811/x
  3. Step 3: Cross multiply
    9,055x = 19,811 × 19,811
  4. Step 4: Simplify right side
    9,055x = 392,475,721
  5. Step 5: Solve for x
    x = 392,475,721/9,055
  6. Step 6: Final answer
    x = 43,343.54

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.