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Finding the Third Proportional to 7,392,872 and 16,179,390

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Solution

The third proportional to 7,392,872 and 16,179,390 is: 35,408,791.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392,872 : 16,179,390 = 16,179,390 : x
  2. Step 2: Convert to fraction form
    7,392,872/16,179,390 = 16,179,390/x
  3. Step 3: Cross multiply
    7,392,872x = 16,179,390 × 16,179,390
  4. Step 4: Simplify right side
    7,392,872x = 261,772,660,772,100
  5. Step 5: Solve for x
    x = 261,772,660,772,100/7,392,872
  6. Step 6: Final answer
    x = 35,408,791.17

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.