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Finding the Third Proportional to 8,381,058 and 18,408,108

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Solution

The third proportional to 8,381,058 and 18,408,108 is: 40,431,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,058 : 18,408,108 = 18,408,108 : x
  2. Step 2: Convert to fraction form
    8,381,058/18,408,108 = 18,408,108/x
  3. Step 3: Cross multiply
    8,381,058x = 18,408,108 × 18,408,108
  4. Step 4: Simplify right side
    8,381,058x = 338,858,440,139,664
  5. Step 5: Solve for x
    x = 338,858,440,139,664/8,381,058
  6. Step 6: Final answer
    x = 40,431,463.44

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.