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Finding the Third Proportional to 18,555,205 and 37,632,138

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Solution

The third proportional to 18,555,205 and 37,632,138 is: 76,322,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555,205 : 37,632,138 = 37,632,138 : x
  2. Step 2: Convert to fraction form
    18,555,205/37,632,138 = 37,632,138/x
  3. Step 3: Cross multiply
    18,555,205x = 37,632,138 × 37,632,138
  4. Step 4: Simplify right side
    18,555,205x = 1,416,177,810,451,044
  5. Step 5: Solve for x
    x = 1,416,177,810,451,044/18,555,205
  6. Step 6: Final answer
    x = 76,322,401.74

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.