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Finding the Third Proportional to 7,521,455 and 11,458,493

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Solution

The third proportional to 7,521,455 and 11,458,493 is: 17,456,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521,455 : 11,458,493 = 11,458,493 : x
  2. Step 2: Convert to fraction form
    7,521,455/11,458,493 = 11,458,493/x
  3. Step 3: Cross multiply
    7,521,455x = 11,458,493 × 11,458,493
  4. Step 4: Simplify right side
    7,521,455x = 131,297,061,831,049
  5. Step 5: Solve for x
    x = 131,297,061,831,049/7,521,455
  6. Step 6: Final answer
    x = 17,456,338.15

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.