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Finding the Third Proportional to 394,510.03 and 851,968.92

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Solution

The third proportional to 394,510.03 and 851,968.92 is: 1,839,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,510.03 : 851,968.92 = 851,968.92 : x
  2. Step 2: Convert to fraction form
    394,510.03/851,968.92 = 851,968.92/x
  3. Step 3: Cross multiply
    394,510.03x = 851,968.92 × 851,968.92
  4. Step 4: Simplify right side
    394,510.03x = 725,851,033,856.80
  5. Step 5: Solve for x
    x = 725,851,033,856.80/394,510.03
  6. Step 6: Final answer
    x = 1,839,879.82

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.