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Finding the Third Proportional to 2,179,908 and 5,091,627.75

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Solution

The third proportional to 2,179,908 and 5,091,627.75 is: 11,892,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,908 : 5,091,627.75 = 5,091,627.75 : x
  2. Step 2: Convert to fraction form
    2,179,908/5,091,627.75 = 5,091,627.75/x
  3. Step 3: Cross multiply
    2,179,908x = 5,091,627.75 × 5,091,627.75
  4. Step 4: Simplify right side
    2,179,908x = 25,924,673,144,570.06
  5. Step 5: Solve for x
    x = 25,924,673,144,570.06/2,179,908
  6. Step 6: Final answer
    x = 11,892,553.79

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.