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Finding the Third Proportional to 276,108 and 603,912

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Solution

The third proportional to 276,108 and 603,912 is: 1,320,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,108 : 603,912 = 603,912 : x
  2. Step 2: Convert to fraction form
    276,108/603,912 = 603,912/x
  3. Step 3: Cross multiply
    276,108x = 603,912 × 603,912
  4. Step 4: Simplify right side
    276,108x = 364,709,703,744
  5. Step 5: Solve for x
    x = 364,709,703,744/276,108
  6. Step 6: Final answer
    x = 1,320,895.10

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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.