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Finding the Third Proportional to 12,373,872.75 and 18,181,910.25

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Solution

The third proportional to 12,373,872.75 and 18,181,910.25 is: 26,716,119.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373,872.75 : 18,181,910.25 = 18,181,910.25 : x
  2. Step 2: Convert to fraction form
    12,373,872.75/18,181,910.25 = 18,181,910.25/x
  3. Step 3: Cross multiply
    12,373,872.75x = 18,181,910.25 × 18,181,910.25
  4. Step 4: Simplify right side
    12,373,872.75x = 330,581,860,339,055.06
  5. Step 5: Solve for x
    x = 330,581,860,339,055.06/12,373,872.75
  6. Step 6: Final answer
    x = 26,716,119.28

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.