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Finding the Third Proportional to 18,135,019.50 and 38,316,909

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Solution

The third proportional to 18,135,019.50 and 38,316,909 is: 80,958,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135,019.50 : 38,316,909 = 38,316,909 : x
  2. Step 2: Convert to fraction form
    18,135,019.50/38,316,909 = 38,316,909/x
  3. Step 3: Cross multiply
    18,135,019.50x = 38,316,909 × 38,316,909
  4. Step 4: Simplify right side
    18,135,019.50x = 1,468,185,515,314,281
  5. Step 5: Solve for x
    x = 1,468,185,515,314,281/18,135,019.50
  6. Step 6: Final answer
    x = 80,958,584.87

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.