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Finding the Third Proportional to 8,418,903 and 18,184,995

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Solution

The third proportional to 8,418,903 and 18,184,995 is: 39,279,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418,903 : 18,184,995 = 18,184,995 : x
  2. Step 2: Convert to fraction form
    8,418,903/18,184,995 = 18,184,995/x
  3. Step 3: Cross multiply
    8,418,903x = 18,184,995 × 18,184,995
  4. Step 4: Simplify right side
    8,418,903x = 330,694,043,150,025
  5. Step 5: Solve for x
    x = 330,694,043,150,025/8,418,903
  6. Step 6: Final answer
    x = 39,279,944.57

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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.