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Finding the Third Proportional to 18,202,182 and 39,105,855

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Solution

The third proportional to 18,202,182 and 39,105,855 is: 84,015,635.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202,182 : 39,105,855 = 39,105,855 : x
  2. Step 2: Convert to fraction form
    18,202,182/39,105,855 = 39,105,855/x
  3. Step 3: Cross multiply
    18,202,182x = 39,105,855 × 39,105,855
  4. Step 4: Simplify right side
    18,202,182x = 1,529,267,895,281,025
  5. Step 5: Solve for x
    x = 1,529,267,895,281,025/18,202,182
  6. Step 6: Final answer
    x = 84,015,635.89

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.