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Finding the Third Proportional to 177,340.50 and 394,042.50

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Solution

The third proportional to 177,340.50 and 394,042.50 is: 875,544.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,340.50 : 394,042.50 = 394,042.50 : x
  2. Step 2: Convert to fraction form
    177,340.50/394,042.50 = 394,042.50/x
  3. Step 3: Cross multiply
    177,340.50x = 394,042.50 × 394,042.50
  4. Step 4: Simplify right side
    177,340.50x = 155,269,491,806.25
  5. Step 5: Solve for x
    x = 155,269,491,806.25/177,340.50
  6. Step 6: Final answer
    x = 875,544.46

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.