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Finding the Third Proportional to 7,457,406 and 11,515,794

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Solution

The third proportional to 7,457,406 and 11,515,794 is: 17,782,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457,406 : 11,515,794 = 11,515,794 : x
  2. Step 2: Convert to fraction form
    7,457,406/11,515,794 = 11,515,794/x
  3. Step 3: Cross multiply
    7,457,406x = 11,515,794 × 11,515,794
  4. Step 4: Simplify right side
    7,457,406x = 132,613,511,450,436
  5. Step 5: Solve for x
    x = 132,613,511,450,436/7,457,406
  6. Step 6: Final answer
    x = 17,782,793.57

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.