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Finding the Third Proportional to 27,794,992 and 43,089,979

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Solution

The third proportional to 27,794,992 and 43,089,979 is: 66,801,468.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,794,992 : 43,089,979 = 43,089,979 : x
  2. Step 2: Convert to fraction form
    27,794,992/43,089,979 = 43,089,979/x
  3. Step 3: Cross multiply
    27,794,992x = 43,089,979 × 43,089,979
  4. Step 4: Simplify right side
    27,794,992x = 1,856,746,290,220,441
  5. Step 5: Solve for x
    x = 1,856,746,290,220,441/27,794,992
  6. Step 6: Final answer
    x = 66,801,468.78

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.