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Finding the Third Proportional to 54,568,619.63 and 81,832,891.88

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Solution

The third proportional to 54,568,619.63 and 81,832,891.88 is: 122,719,288.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,568,619.63 : 81,832,891.88 = 81,832,891.88 : x
  2. Step 2: Convert to fraction form
    54,568,619.63/81,832,891.88 = 81,832,891.88/x
  3. Step 3: Cross multiply
    54,568,619.63x = 81,832,891.88 × 81,832,891.88
  4. Step 4: Simplify right side
    54,568,619.63x = 6,696,622,192,625,441
  5. Step 5: Solve for x
    x = 6,696,622,192,625,441/54,568,619.63
  6. Step 6: Final answer
    x = 122,719,288.83

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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.