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Finding the Third Proportional to 8,685,912 and 19,084,992

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Solution

The third proportional to 8,685,912 and 19,084,992 is: 41,934,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,912 : 19,084,992 = 19,084,992 : x
  2. Step 2: Convert to fraction form
    8,685,912/19,084,992 = 19,084,992/x
  3. Step 3: Cross multiply
    8,685,912x = 19,084,992 × 19,084,992
  4. Step 4: Simplify right side
    8,685,912x = 364,236,919,640,064
  5. Step 5: Solve for x
    x = 364,236,919,640,064/8,685,912
  6. Step 6: Final answer
    x = 41,934,217.11

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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.