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Finding the Third Proportional to 200,969 and 276,847

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Solution

The third proportional to 200,969 and 276,847 is: 381,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,969 : 276,847 = 276,847 : x
  2. Step 2: Convert to fraction form
    200,969/276,847 = 276,847/x
  3. Step 3: Cross multiply
    200,969x = 276,847 × 276,847
  4. Step 4: Simplify right side
    200,969x = 76,644,261,409
  5. Step 5: Solve for x
    x = 76,644,261,409/200,969
  6. Step 6: Final answer
    x = 381,373.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.