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Finding the Third Proportional to 8,394,318 and 18,072,918

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Solution

The third proportional to 8,394,318 and 18,072,918 is: 38,910,887.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394,318 : 18,072,918 = 18,072,918 : x
  2. Step 2: Convert to fraction form
    8,394,318/18,072,918 = 18,072,918/x
  3. Step 3: Cross multiply
    8,394,318x = 18,072,918 × 18,072,918
  4. Step 4: Simplify right side
    8,394,318x = 326,630,365,034,724
  5. Step 5: Solve for x
    x = 326,630,365,034,724/8,394,318
  6. Step 6: Final answer
    x = 38,910,887.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.