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Finding the Third Proportional to 261,961.50 and 394,472.25

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Solution

The third proportional to 261,961.50 and 394,472.25 is: 594,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,961.50 : 394,472.25 = 394,472.25 : x
  2. Step 2: Convert to fraction form
    261,961.50/394,472.25 = 394,472.25/x
  3. Step 3: Cross multiply
    261,961.50x = 394,472.25 × 394,472.25
  4. Step 4: Simplify right side
    261,961.50x = 155,608,356,020.06
  5. Step 5: Solve for x
    x = 155,608,356,020.06/261,961.50
  6. Step 6: Final answer
    x = 594,012.31

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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.