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Finding the Third Proportional to 17,981 and 36,676

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Solution

The third proportional to 17,981 and 36,676 is: 74,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981 : 36,676 = 36,676 : x
  2. Step 2: Convert to fraction form
    17,981/36,676 = 36,676/x
  3. Step 3: Cross multiply
    17,981x = 36,676 × 36,676
  4. Step 4: Simplify right side
    17,981x = 1,345,128,976
  5. Step 5: Solve for x
    x = 1,345,128,976/17,981
  6. Step 6: Final answer
    x = 74,808.35

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.