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Finding the Third Proportional to 19,981,145.81 and 43,045,786.97

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Solution

The third proportional to 19,981,145.81 and 43,045,786.97 is: 92,734,410.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981,145.81 : 43,045,786.97 = 43,045,786.97 : x
  2. Step 2: Convert to fraction form
    19,981,145.81/43,045,786.97 = 43,045,786.97/x
  3. Step 3: Cross multiply
    19,981,145.81x = 43,045,786.97 × 43,045,786.97
  4. Step 4: Simplify right side
    19,981,145.81x = 1,852,939,775,759,007.25
  5. Step 5: Solve for x
    x = 1,852,939,775,759,007.25/19,981,145.81
  6. Step 6: Final answer
    x = 92,734,410.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.