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Finding the Third Proportional to 4,067.16 and 8,912.53

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Solution

The third proportional to 4,067.16 and 8,912.53 is: 19,530.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,067.16 : 8,912.53 = 8,912.53 : x
  2. Step 2: Convert to fraction form
    4,067.16/8,912.53 = 8,912.53/x
  3. Step 3: Cross multiply
    4,067.16x = 8,912.53 × 8,912.53
  4. Step 4: Simplify right side
    4,067.16x = 79,433,213.28
  5. Step 5: Solve for x
    x = 79,433,213.28/4,067.16
  6. Step 6: Final answer
    x = 19,530.41

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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.