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Finding the Third Proportional to 136,629,949 and 297,519,189

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Solution

The third proportional to 136,629,949 and 297,519,189 is: 647,864,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,629,949 : 297,519,189 = 297,519,189 : x
  2. Step 2: Convert to fraction form
    136,629,949/297,519,189 = 297,519,189/x
  3. Step 3: Cross multiply
    136,629,949x = 297,519,189 × 297,519,189
  4. Step 4: Simplify right side
    136,629,949x = 88,517,667,823,217,728
  5. Step 5: Solve for x
    x = 88,517,667,823,217,728/136,629,949
  6. Step 6: Final answer
    x = 647,864,311.38

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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.