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Finding the Third Proportional to 268,392 and 548,436

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Solution

The third proportional to 268,392 and 548,436 is: 1,120,681.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,392 : 548,436 = 548,436 : x
  2. Step 2: Convert to fraction form
    268,392/548,436 = 548,436/x
  3. Step 3: Cross multiply
    268,392x = 548,436 × 548,436
  4. Step 4: Simplify right side
    268,392x = 300,782,046,096
  5. Step 5: Solve for x
    x = 300,782,046,096/268,392
  6. Step 6: Final answer
    x = 1,120,681.86

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.