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Finding the Third Proportional to 55,609,860 and 121,105,874

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Solution

The third proportional to 55,609,860 and 121,105,874 is: 263,741,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,609,860 : 121,105,874 = 121,105,874 : x
  2. Step 2: Convert to fraction form
    55,609,860/121,105,874 = 121,105,874/x
  3. Step 3: Cross multiply
    55,609,860x = 121,105,874 × 121,105,874
  4. Step 4: Simplify right side
    55,609,860x = 14,666,632,717,303,876
  5. Step 5: Solve for x
    x = 14,666,632,717,303,876/55,609,860
  6. Step 6: Final answer
    x = 263,741,586.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.