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Finding the Third Proportional to 276,086 and 603,868

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Solution

The third proportional to 276,086 and 603,868 is: 1,320,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,086 : 603,868 = 603,868 : x
  2. Step 2: Convert to fraction form
    276,086/603,868 = 603,868/x
  3. Step 3: Cross multiply
    276,086x = 603,868 × 603,868
  4. Step 4: Simplify right side
    276,086x = 364,656,561,424
  5. Step 5: Solve for x
    x = 364,656,561,424/276,086
  6. Step 6: Final answer
    x = 1,320,807.87

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.