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Finding the Third Proportional to 5,405,434 and 11,751,740

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Solution

The third proportional to 5,405,434 and 11,751,740 is: 25,548,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405,434 : 11,751,740 = 11,751,740 : x
  2. Step 2: Convert to fraction form
    5,405,434/11,751,740 = 11,751,740/x
  3. Step 3: Cross multiply
    5,405,434x = 11,751,740 × 11,751,740
  4. Step 4: Simplify right side
    5,405,434x = 138,103,393,027,600
  5. Step 5: Solve for x
    x = 138,103,393,027,600/5,405,434
  6. Step 6: Final answer
    x = 25,548,992.56

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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.