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Finding the Third Proportional to 3,123,408.09 and 6,964,579.55

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Solution

The third proportional to 3,123,408.09 and 6,964,579.55 is: 15,529,628.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,408.09 : 6,964,579.55 = 6,964,579.55 : x
  2. Step 2: Convert to fraction form
    3,123,408.09/6,964,579.55 = 6,964,579.55/x
  3. Step 3: Cross multiply
    3,123,408.09x = 6,964,579.55 × 6,964,579.55
  4. Step 4: Simplify right side
    3,123,408.09x = 48,505,368,264,749.58
  5. Step 5: Solve for x
    x = 48,505,368,264,749.58/3,123,408.09
  6. Step 6: Final answer
    x = 15,529,628.79

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.