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Finding the Third Proportional to 379,404 and 571,596.75

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Solution

The third proportional to 379,404 and 571,596.75 is: 861,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,404 : 571,596.75 = 571,596.75 : x
  2. Step 2: Convert to fraction form
    379,404/571,596.75 = 571,596.75/x
  3. Step 3: Cross multiply
    379,404x = 571,596.75 × 571,596.75
  4. Step 4: Simplify right side
    379,404x = 326,722,844,610.56
  5. Step 5: Solve for x
    x = 326,722,844,610.56/379,404
  6. Step 6: Final answer
    x = 861,147.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.