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Finding the Third Proportional to 248,112 and 394,632

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Solution

The third proportional to 248,112 and 394,632 is: 627,677.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,112 : 394,632 = 394,632 : x
  2. Step 2: Convert to fraction form
    248,112/394,632 = 394,632/x
  3. Step 3: Cross multiply
    248,112x = 394,632 × 394,632
  4. Step 4: Simplify right side
    248,112x = 155,734,415,424
  5. Step 5: Solve for x
    x = 155,734,415,424/248,112
  6. Step 6: Final answer
    x = 627,677.89

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.