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Finding the Third Proportional to 18,181,674 and 39,247,515

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Solution

The third proportional to 18,181,674 and 39,247,515 is: 84,720,880.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,674 : 39,247,515 = 39,247,515 : x
  2. Step 2: Convert to fraction form
    18,181,674/39,247,515 = 39,247,515/x
  3. Step 3: Cross multiply
    18,181,674x = 39,247,515 × 39,247,515
  4. Step 4: Simplify right side
    18,181,674x = 1,540,367,433,675,225
  5. Step 5: Solve for x
    x = 1,540,367,433,675,225/18,181,674
  6. Step 6: Final answer
    x = 84,720,880.69

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.