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Finding the Third Proportional to 7,407,860 and 11,131,512

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Solution

The third proportional to 7,407,860 and 11,131,512 is: 16,726,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407,860 : 11,131,512 = 11,131,512 : x
  2. Step 2: Convert to fraction form
    7,407,860/11,131,512 = 11,131,512/x
  3. Step 3: Cross multiply
    7,407,860x = 11,131,512 × 11,131,512
  4. Step 4: Simplify right side
    7,407,860x = 123,910,559,406,144
  5. Step 5: Solve for x
    x = 123,910,559,406,144/7,407,860
  6. Step 6: Final answer
    x = 16,726,903.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.