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Finding the Third Proportional to 6,917,690 and 11,051,067

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Solution

The third proportional to 6,917,690 and 11,051,067 is: 17,654,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917,690 : 11,051,067 = 11,051,067 : x
  2. Step 2: Convert to fraction form
    6,917,690/11,051,067 = 11,051,067/x
  3. Step 3: Cross multiply
    6,917,690x = 11,051,067 × 11,051,067
  4. Step 4: Simplify right side
    6,917,690x = 122,126,081,838,489
  5. Step 5: Solve for x
    x = 122,126,081,838,489/6,917,690
  6. Step 6: Final answer
    x = 17,654,170.95

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.