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Finding the Third Proportional to 18,342,544.50 and 39,981,171

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Solution

The third proportional to 18,342,544.50 and 39,981,171 is: 87,146,798.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342,544.50 : 39,981,171 = 39,981,171 : x
  2. Step 2: Convert to fraction form
    18,342,544.50/39,981,171 = 39,981,171/x
  3. Step 3: Cross multiply
    18,342,544.50x = 39,981,171 × 39,981,171
  4. Step 4: Simplify right side
    18,342,544.50x = 1,598,494,034,531,241
  5. Step 5: Solve for x
    x = 1,598,494,034,531,241/18,342,544.50
  6. Step 6: Final answer
    x = 87,146,798.77

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.