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Finding the Third Proportional to 6,396.47 and 13,886.44

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Solution

The third proportional to 6,396.47 and 13,886.44 is: 30,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.47 : 13,886.44 = 13,886.44 : x
  2. Step 2: Convert to fraction form
    6,396.47/13,886.44 = 13,886.44/x
  3. Step 3: Cross multiply
    6,396.47x = 13,886.44 × 13,886.44
  4. Step 4: Simplify right side
    6,396.47x = 192,833,146.44
  5. Step 5: Solve for x
    x = 192,833,146.44/6,396.47
  6. Step 6: Final answer
    x = 30,146.81

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.