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Finding the Third Proportional to 858,904,472,628 and 1,868,606,933,991

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Solution

The third proportional to 858,904,472,628 and 1,868,606,933,991 is: 4,065,285,471,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,904,472,628 : 1,868,606,933,991 = 1,868,606,933,991 : x
  2. Step 2: Convert to fraction form
    858,904,472,628/1,868,606,933,991 = 1,868,606,933,991/x
  3. Step 3: Cross multiply
    858,904,472,628x = 1,868,606,933,991 × 1,868,606,933,991
  4. Step 4: Simplify right side
    858,904,472,628x = 3,491,691,873,759,245,600,030,720
  5. Step 5: Solve for x
    x = 3,491,691,873,759,245,600,030,720/858,904,472,628
  6. Step 6: Final answer
    x = 4,065,285,471,241.84

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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.