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Finding the Third Proportional to 11,820,876.75 and 25,659,458.44

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Solution

The third proportional to 11,820,876.75 and 25,659,458.44 is: 55,698,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,820,876.75 : 25,659,458.44 = 25,659,458.44 : x
  2. Step 2: Convert to fraction form
    11,820,876.75/25,659,458.44 = 25,659,458.44/x
  3. Step 3: Cross multiply
    11,820,876.75x = 25,659,458.44 × 25,659,458.44
  4. Step 4: Simplify right side
    11,820,876.75x = 658,407,807,305,790
  5. Step 5: Solve for x
    x = 658,407,807,305,790/11,820,876.75
  6. Step 6: Final answer
    x = 55,698,728.72

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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.