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Finding the Third Proportional to 104,979.75 and 108,003.75

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Solution

The third proportional to 104,979.75 and 108,003.75 is: 111,114.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,979.75 : 108,003.75 = 108,003.75 : x
  2. Step 2: Convert to fraction form
    104,979.75/108,003.75 = 108,003.75/x
  3. Step 3: Cross multiply
    104,979.75x = 108,003.75 × 108,003.75
  4. Step 4: Simplify right side
    104,979.75x = 11,664,810,014.06
  5. Step 5: Solve for x
    x = 11,664,810,014.06/104,979.75
  6. Step 6: Final answer
    x = 111,114.86

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Why These Related Problems?

These problems maintain the same ratio (1.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.