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Finding the Third Proportional to 858,904,472,627 and 1,868,606,933,987

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Solution

The third proportional to 858,904,472,627 and 1,868,606,933,987 is: 4,065,285,471,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,904,472,627 : 1,868,606,933,987 = 1,868,606,933,987 : x
  2. Step 2: Convert to fraction form
    858,904,472,627/1,868,606,933,987 = 1,868,606,933,987/x
  3. Step 3: Cross multiply
    858,904,472,627x = 1,868,606,933,987 × 1,868,606,933,987
  4. Step 4: Simplify right side
    858,904,472,627x = 3,491,691,873,744,296,429,486,080
  5. Step 5: Solve for x
    x = 3,491,691,873,744,296,429,486,080/858,904,472,627
  6. Step 6: Final answer
    x = 4,065,285,471,229.17

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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.