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Finding the Third Proportional to 75,276.37 and 108,198.83

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Solution

The third proportional to 75,276.37 and 108,198.83 is: 155,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,276.37 : 108,198.83 = 108,198.83 : x
  2. Step 2: Convert to fraction form
    75,276.37/108,198.83 = 108,198.83/x
  3. Step 3: Cross multiply
    75,276.37x = 108,198.83 × 108,198.83
  4. Step 4: Simplify right side
    75,276.37x = 11,706,987,886.90
  5. Step 5: Solve for x
    x = 11,706,987,886.90/75,276.37
  6. Step 6: Final answer
    x = 155,520.09

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.