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Finding the Third Proportional to 36,691,321 and 79,839,215

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Solution

The third proportional to 36,691,321 and 79,839,215 is: 173,727,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691,321 : 79,839,215 = 79,839,215 : x
  2. Step 2: Convert to fraction form
    36,691,321/79,839,215 = 79,839,215/x
  3. Step 3: Cross multiply
    36,691,321x = 79,839,215 × 79,839,215
  4. Step 4: Simplify right side
    36,691,321x = 6,374,300,251,816,225
  5. Step 5: Solve for x
    x = 6,374,300,251,816,225/36,691,321
  6. Step 6: Final answer
    x = 173,727,739.37

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.