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Finding the Third Proportional to 18,004 and 36,728

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Solution

The third proportional to 18,004 and 36,728 is: 74,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004 : 36,728 = 36,728 : x
  2. Step 2: Convert to fraction form
    18,004/36,728 = 36,728/x
  3. Step 3: Cross multiply
    18,004x = 36,728 × 36,728
  4. Step 4: Simplify right side
    18,004x = 1,348,945,984
  5. Step 5: Solve for x
    x = 1,348,945,984/18,004
  6. Step 6: Final answer
    x = 74,924.79

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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.