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Finding the Third Proportional to 17,170 and 36,185

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Solution

The third proportional to 17,170 and 36,185 is: 76,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,170 : 36,185 = 36,185 : x
  2. Step 2: Convert to fraction form
    17,170/36,185 = 36,185/x
  3. Step 3: Cross multiply
    17,170x = 36,185 × 36,185
  4. Step 4: Simplify right side
    17,170x = 1,309,354,225
  5. Step 5: Solve for x
    x = 1,309,354,225/17,170
  6. Step 6: Final answer
    x = 76,258.25

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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.