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Finding the Third Proportional to 18,873,370.31 and 41,279,272.13

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Solution

The third proportional to 18,873,370.31 and 41,279,272.13 is: 90,284,791.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873,370.31 : 41,279,272.13 = 41,279,272.13 : x
  2. Step 2: Convert to fraction form
    18,873,370.31/41,279,272.13 = 41,279,272.13/x
  3. Step 3: Cross multiply
    18,873,370.31x = 41,279,272.13 × 41,279,272.13
  4. Step 4: Simplify right side
    18,873,370.31x = 1,703,978,307,169,802
  5. Step 5: Solve for x
    x = 1,703,978,307,169,802/18,873,370.31
  6. Step 6: Final answer
    x = 90,284,791.69

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.