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Finding the Third Proportional to 269,950 and 419,073

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Solution

The third proportional to 269,950 and 419,073 is: 650,572.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,950 : 419,073 = 419,073 : x
  2. Step 2: Convert to fraction form
    269,950/419,073 = 419,073/x
  3. Step 3: Cross multiply
    269,950x = 419,073 × 419,073
  4. Step 4: Simplify right side
    269,950x = 175,622,179,329
  5. Step 5: Solve for x
    x = 175,622,179,329/269,950
  6. Step 6: Final answer
    x = 650,572.99

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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.