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Finding the Third Proportional to 8,394,336 and 18,072,972

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Solution

The third proportional to 8,394,336 and 18,072,972 is: 38,911,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394,336 : 18,072,972 = 18,072,972 : x
  2. Step 2: Convert to fraction form
    8,394,336/18,072,972 = 18,072,972/x
  3. Step 3: Cross multiply
    8,394,336x = 18,072,972 × 18,072,972
  4. Step 4: Simplify right side
    8,394,336x = 326,632,316,912,784
  5. Step 5: Solve for x
    x = 326,632,316,912,784/8,394,336
  6. Step 6: Final answer
    x = 38,911,036.79

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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.