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Finding the Third Proportional to 275,446.67 and 425,625.65

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Solution

The third proportional to 275,446.67 and 425,625.65 is: 657,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,446.67 : 425,625.65 = 425,625.65 : x
  2. Step 2: Convert to fraction form
    275,446.67/425,625.65 = 425,625.65/x
  3. Step 3: Cross multiply
    275,446.67x = 425,625.65 × 425,625.65
  4. Step 4: Simplify right side
    275,446.67x = 181,157,196,764.35
  5. Step 5: Solve for x
    x = 181,157,196,764.35/275,446.67
  6. Step 6: Final answer
    x = 657,685.19

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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.