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Finding the Third Proportional to 248,622 and 394,306.50

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Solution

The third proportional to 248,622 and 394,306.50 is: 625,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,622 : 394,306.50 = 394,306.50 : x
  2. Step 2: Convert to fraction form
    248,622/394,306.50 = 394,306.50/x
  3. Step 3: Cross multiply
    248,622x = 394,306.50 × 394,306.50
  4. Step 4: Simplify right side
    248,622x = 155,477,615,942.25
  5. Step 5: Solve for x
    x = 155,477,615,942.25/248,622
  6. Step 6: Final answer
    x = 625,357.43

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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.