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Finding the Third Proportional to 75,153.38 and 165,336.75

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Solution

The third proportional to 75,153.38 and 165,336.75 is: 363,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,153.38 : 165,336.75 = 165,336.75 : x
  2. Step 2: Convert to fraction form
    75,153.38/165,336.75 = 165,336.75/x
  3. Step 3: Cross multiply
    75,153.38x = 165,336.75 × 165,336.75
  4. Step 4: Simplify right side
    75,153.38x = 27,336,240,900.56
  5. Step 5: Solve for x
    x = 27,336,240,900.56/75,153.38
  6. Step 6: Final answer
    x = 363,739.37

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.