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Finding the Third Proportional to 9,450 and 19,811

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Solution

The third proportional to 9,450 and 19,811 is: 41,531.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,450 : 19,811 = 19,811 : x
  2. Step 2: Convert to fraction form
    9,450/19,811 = 19,811/x
  3. Step 3: Cross multiply
    9,450x = 19,811 × 19,811
  4. Step 4: Simplify right side
    9,450x = 392,475,721
  5. Step 5: Solve for x
    x = 392,475,721/9,450
  6. Step 6: Final answer
    x = 41,531.82

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.