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Finding the Third Proportional to 259,058.75 and 394,855.50

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Solution

The third proportional to 259,058.75 and 394,855.50 is: 601,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,058.75 : 394,855.50 = 394,855.50 : x
  2. Step 2: Convert to fraction form
    259,058.75/394,855.50 = 394,855.50/x
  3. Step 3: Cross multiply
    259,058.75x = 394,855.50 × 394,855.50
  4. Step 4: Simplify right side
    259,058.75x = 155,910,865,880.25
  5. Step 5: Solve for x
    x = 155,910,865,880.25/259,058.75
  6. Step 6: Final answer
    x = 601,835.94

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.