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Finding the Third Proportional to 858,904,472,586 and 1,868,606,933,906

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Solution

The third proportional to 858,904,472,586 and 1,868,606,933,906 is: 4,065,285,471,070.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,904,472,586 : 1,868,606,933,906 = 1,868,606,933,906 : x
  2. Step 2: Convert to fraction form
    858,904,472,586/1,868,606,933,906 = 1,868,606,933,906/x
  3. Step 3: Cross multiply
    858,904,472,586x = 1,868,606,933,906 × 1,868,606,933,906
  4. Step 4: Simplify right side
    858,904,472,586x = 3,491,691,873,441,582,302,625,792
  5. Step 5: Solve for x
    x = 3,491,691,873,441,582,302,625,792/858,904,472,586
  6. Step 6: Final answer
    x = 4,065,285,471,070.79

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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.