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Finding the Third Proportional to 276,111 and 603,918

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Solution

The third proportional to 276,111 and 603,918 is: 1,320,906.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,111 : 603,918 = 603,918 : x
  2. Step 2: Convert to fraction form
    276,111/603,918 = 603,918/x
  3. Step 3: Cross multiply
    276,111x = 603,918 × 603,918
  4. Step 4: Simplify right side
    276,111x = 364,716,950,724
  5. Step 5: Solve for x
    x = 364,716,950,724/276,111
  6. Step 6: Final answer
    x = 1,320,906.99

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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.