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Finding the Third Proportional to 3,551,724 and 7,671,791.25

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Solution

The third proportional to 3,551,724 and 7,671,791.25 is: 16,571,214.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551,724 : 7,671,791.25 = 7,671,791.25 : x
  2. Step 2: Convert to fraction form
    3,551,724/7,671,791.25 = 7,671,791.25/x
  3. Step 3: Cross multiply
    3,551,724x = 7,671,791.25 × 7,671,791.25
  4. Step 4: Simplify right side
    3,551,724x = 58,856,380,983,576.56
  5. Step 5: Solve for x
    x = 58,856,380,983,576.56/3,551,724
  6. Step 6: Final answer
    x = 16,571,214.71

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.