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Finding the Third Proportional to 75,221.75 and 162,198.75

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Solution

The third proportional to 75,221.75 and 162,198.75 is: 349,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,221.75 : 162,198.75 = 162,198.75 : x
  2. Step 2: Convert to fraction form
    75,221.75/162,198.75 = 162,198.75/x
  3. Step 3: Cross multiply
    75,221.75x = 162,198.75 × 162,198.75
  4. Step 4: Simplify right side
    75,221.75x = 26,308,434,501.56
  5. Step 5: Solve for x
    x = 26,308,434,501.56/75,221.75
  6. Step 6: Final answer
    x = 349,745.05

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.