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Finding the Third Proportional to 4,042,523.25 and 8,757,789.75

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Solution

The third proportional to 4,042,523.25 and 8,757,789.75 is: 18,973,021.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042,523.25 : 8,757,789.75 = 8,757,789.75 : x
  2. Step 2: Convert to fraction form
    4,042,523.25/8,757,789.75 = 8,757,789.75/x
  3. Step 3: Cross multiply
    4,042,523.25x = 8,757,789.75 × 8,757,789.75
  4. Step 4: Simplify right side
    4,042,523.25x = 76,698,881,305,205.06
  5. Step 5: Solve for x
    x = 76,698,881,305,205.06/4,042,523.25
  6. Step 6: Final answer
    x = 18,973,021.69

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.