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Finding the Third Proportional to 4,396.78 and 8,175.94

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Solution

The third proportional to 4,396.78 and 8,175.94 is: 15,203.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,396.78 : 8,175.94 = 8,175.94 : x
  2. Step 2: Convert to fraction form
    4,396.78/8,175.94 = 8,175.94/x
  3. Step 3: Cross multiply
    4,396.78x = 8,175.94 × 8,175.94
  4. Step 4: Simplify right side
    4,396.78x = 66,845,954.00
  5. Step 5: Solve for x
    x = 66,845,954.00/4,396.78
  6. Step 6: Final answer
    x = 15,203.38

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.