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Finding the Third Proportional to 394,791.75 and 589,556.25

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Solution

The third proportional to 394,791.75 and 589,556.25 is: 880,404.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,791.75 : 589,556.25 = 589,556.25 : x
  2. Step 2: Convert to fraction form
    394,791.75/589,556.25 = 589,556.25/x
  3. Step 3: Cross multiply
    394,791.75x = 589,556.25 × 589,556.25
  4. Step 4: Simplify right side
    394,791.75x = 347,576,571,914.06
  5. Step 5: Solve for x
    x = 347,576,571,914.06/394,791.75
  6. Step 6: Final answer
    x = 880,404.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.