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Finding the Third Proportional to 18,488,144 and 41,224,912

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Solution

The third proportional to 18,488,144 and 41,224,912 is: 91,923,416.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488,144 : 41,224,912 = 41,224,912 : x
  2. Step 2: Convert to fraction form
    18,488,144/41,224,912 = 41,224,912/x
  3. Step 3: Cross multiply
    18,488,144x = 41,224,912 × 41,224,912
  4. Step 4: Simplify right side
    18,488,144x = 1,699,493,369,407,744
  5. Step 5: Solve for x
    x = 1,699,493,369,407,744/18,488,144
  6. Step 6: Final answer
    x = 91,923,416.94

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.