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Finding the Third Proportional to 281,591 and 612,756

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Solution

The third proportional to 281,591 and 612,756 is: 1,333,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,591 : 612,756 = 612,756 : x
  2. Step 2: Convert to fraction form
    281,591/612,756 = 612,756/x
  3. Step 3: Cross multiply
    281,591x = 612,756 × 612,756
  4. Step 4: Simplify right side
    281,591x = 375,469,915,536
  5. Step 5: Solve for x
    x = 375,469,915,536/281,591
  6. Step 6: Final answer
    x = 1,333,387.49

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.