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Finding the Third Proportional to 200,726 and 275,249

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Solution

The third proportional to 200,726 and 275,249 is: 377,439.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,726 : 275,249 = 275,249 : x
  2. Step 2: Convert to fraction form
    200,726/275,249 = 275,249/x
  3. Step 3: Cross multiply
    200,726x = 275,249 × 275,249
  4. Step 4: Simplify right side
    200,726x = 75,762,012,001
  5. Step 5: Solve for x
    x = 75,762,012,001/200,726
  6. Step 6: Final answer
    x = 377,439.95

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.