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Finding the Third Proportional to 81,608 and 173,017

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Solution

The third proportional to 81,608 and 173,017 is: 366,813.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,608 : 173,017 = 173,017 : x
  2. Step 2: Convert to fraction form
    81,608/173,017 = 173,017/x
  3. Step 3: Cross multiply
    81,608x = 173,017 × 173,017
  4. Step 4: Simplify right side
    81,608x = 29,934,882,289
  5. Step 5: Solve for x
    x = 29,934,882,289/81,608
  6. Step 6: Final answer
    x = 366,813.09

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.