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Finding the Third Proportional to 18,994,604 and 38,659,936

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Solution

The third proportional to 18,994,604 and 38,659,936 is: 78,685,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,994,604 : 38,659,936 = 38,659,936 : x
  2. Step 2: Convert to fraction form
    18,994,604/38,659,936 = 38,659,936/x
  3. Step 3: Cross multiply
    18,994,604x = 38,659,936 × 38,659,936
  4. Step 4: Simplify right side
    18,994,604x = 1,494,590,651,524,096
  5. Step 5: Solve for x
    x = 1,494,590,651,524,096/18,994,604
  6. Step 6: Final answer
    x = 78,685,012.41

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.