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Finding the Third Proportional to 2,618,417,529 and 3,923,796,079

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Solution

The third proportional to 2,618,417,529 and 3,923,796,079 is: 5,879,954,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,417,529 : 3,923,796,079 = 3,923,796,079 : x
  2. Step 2: Convert to fraction form
    2,618,417,529/3,923,796,079 = 3,923,796,079/x
  3. Step 3: Cross multiply
    2,618,417,529x = 3,923,796,079 × 3,923,796,079
  4. Step 4: Simplify right side
    2,618,417,529x = 15,396,175,669,575,774,208
  5. Step 5: Solve for x
    x = 15,396,175,669,575,774,208/2,618,417,529
  6. Step 6: Final answer
    x = 5,879,954,399.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.