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Finding the Third Proportional to 618,228 and 1,318,108

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Solution

The third proportional to 618,228 and 1,318,108 is: 2,810,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,228 : 1,318,108 = 1,318,108 : x
  2. Step 2: Convert to fraction form
    618,228/1,318,108 = 1,318,108/x
  3. Step 3: Cross multiply
    618,228x = 1,318,108 × 1,318,108
  4. Step 4: Simplify right side
    618,228x = 1,737,408,699,664
  5. Step 5: Solve for x
    x = 1,737,408,699,664/618,228
  6. Step 6: Final answer
    x = 2,810,304.13

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.