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Finding the Third Proportional to 172,591,686 and 370,796,868

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Solution

The third proportional to 172,591,686 and 370,796,868 is: 796,621,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,591,686 : 370,796,868 = 370,796,868 : x
  2. Step 2: Convert to fraction form
    172,591,686/370,796,868 = 370,796,868/x
  3. Step 3: Cross multiply
    172,591,686x = 370,796,868 × 370,796,868
  4. Step 4: Simplify right side
    172,591,686x = 137,490,317,318,609,424
  5. Step 5: Solve for x
    x = 137,490,317,318,609,424/172,591,686
  6. Step 6: Final answer
    x = 796,621,902.86

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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.