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Finding the Third Proportional to 18,181,665 and 39,247,494

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Solution

The third proportional to 18,181,665 and 39,247,494 is: 84,720,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,665 : 39,247,494 = 39,247,494 : x
  2. Step 2: Convert to fraction form
    18,181,665/39,247,494 = 39,247,494/x
  3. Step 3: Cross multiply
    18,181,665x = 39,247,494 × 39,247,494
  4. Step 4: Simplify right side
    18,181,665x = 1,540,365,785,280,036
  5. Step 5: Solve for x
    x = 1,540,365,785,280,036/18,181,665
  6. Step 6: Final answer
    x = 84,720,831.96

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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.