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Finding the Third Proportional to 7,398,162 and 11,608,515

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Solution

The third proportional to 7,398,162 and 11,608,515 is: 18,215,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398,162 : 11,608,515 = 11,608,515 : x
  2. Step 2: Convert to fraction form
    7,398,162/11,608,515 = 11,608,515/x
  3. Step 3: Cross multiply
    7,398,162x = 11,608,515 × 11,608,515
  4. Step 4: Simplify right side
    7,398,162x = 134,757,620,505,225
  5. Step 5: Solve for x
    x = 134,757,620,505,225/7,398,162
  6. Step 6: Final answer
    x = 18,215,013.47

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.