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Finding the Third Proportional to 5,405,496 and 11,751,864

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Solution

The third proportional to 5,405,496 and 11,751,864 is: 25,549,238.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405,496 : 11,751,864 = 11,751,864 : x
  2. Step 2: Convert to fraction form
    5,405,496/11,751,864 = 11,751,864/x
  3. Step 3: Cross multiply
    5,405,496x = 11,751,864 × 11,751,864
  4. Step 4: Simplify right side
    5,405,496x = 138,106,307,474,496
  5. Step 5: Solve for x
    x = 138,106,307,474,496/5,405,496
  6. Step 6: Final answer
    x = 25,549,238.68

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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.