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Finding the Third Proportional to 18,321.75 and 37,383.75

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Solution

The third proportional to 18,321.75 and 37,383.75 is: 76,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.75 : 37,383.75 = 37,383.75 : x
  2. Step 2: Convert to fraction form
    18,321.75/37,383.75 = 37,383.75/x
  3. Step 3: Cross multiply
    18,321.75x = 37,383.75 × 37,383.75
  4. Step 4: Simplify right side
    18,321.75x = 1,397,544,764.06
  5. Step 5: Solve for x
    x = 1,397,544,764.06/18,321.75
  6. Step 6: Final answer
    x = 76,277.91

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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.