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Finding the Third Proportional to 17,172 and 36,189

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Solution

The third proportional to 17,172 and 36,189 is: 76,266.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172 : 36,189 = 36,189 : x
  2. Step 2: Convert to fraction form
    17,172/36,189 = 36,189/x
  3. Step 3: Cross multiply
    17,172x = 36,189 × 36,189
  4. Step 4: Simplify right side
    17,172x = 1,309,643,721
  5. Step 5: Solve for x
    x = 1,309,643,721/17,172
  6. Step 6: Final answer
    x = 76,266.23

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.