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Finding the Third Proportional to 18,006 and 36,903

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Solution

The third proportional to 18,006 and 36,903 is: 75,632.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,006 : 36,903 = 36,903 : x
  2. Step 2: Convert to fraction form
    18,006/36,903 = 36,903/x
  3. Step 3: Cross multiply
    18,006x = 36,903 × 36,903
  4. Step 4: Simplify right side
    18,006x = 1,361,831,409
  5. Step 5: Solve for x
    x = 1,361,831,409/18,006
  6. Step 6: Final answer
    x = 75,632.09

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.