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Finding the Third Proportional to 76,791.38 and 165,435.75

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Solution

The third proportional to 76,791.38 and 165,435.75 is: 356,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,791.38 : 165,435.75 = 165,435.75 : x
  2. Step 2: Convert to fraction form
    76,791.38/165,435.75 = 165,435.75/x
  3. Step 3: Cross multiply
    76,791.38x = 165,435.75 × 165,435.75
  4. Step 4: Simplify right side
    76,791.38x = 27,368,987,378.06
  5. Step 5: Solve for x
    x = 27,368,987,378.06/76,791.38
  6. Step 6: Final answer
    x = 356,407.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.