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Finding the Third Proportional to 8,685,838 and 19,084,828

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Solution

The third proportional to 8,685,838 and 19,084,828 is: 41,933,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,838 : 19,084,828 = 19,084,828 : x
  2. Step 2: Convert to fraction form
    8,685,838/19,084,828 = 19,084,828/x
  3. Step 3: Cross multiply
    8,685,838x = 19,084,828 × 19,084,828
  4. Step 4: Simplify right side
    8,685,838x = 364,230,659,789,584
  5. Step 5: Solve for x
    x = 364,230,659,789,584/8,685,838
  6. Step 6: Final answer
    x = 41,933,853.68

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.