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Finding the Third Proportional to 275,227.88 and 425,366.44

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Solution

The third proportional to 275,227.88 and 425,366.44 is: 657,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,227.88 : 425,366.44 = 425,366.44 : x
  2. Step 2: Convert to fraction form
    275,227.88/425,366.44 = 425,366.44/x
  3. Step 3: Cross multiply
    275,227.88x = 425,366.44 × 425,366.44
  4. Step 4: Simplify right side
    275,227.88x = 180,936,606,151.44
  5. Step 5: Solve for x
    x = 180,936,606,151.44/275,227.88
  6. Step 6: Final answer
    x = 657,406.54

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.