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Finding the Third Proportional to 6,418.62 and 13,862.39

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Solution

The third proportional to 6,418.62 and 13,862.39 is: 29,938.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.62 : 13,862.39 = 13,862.39 : x
  2. Step 2: Convert to fraction form
    6,418.62/13,862.39 = 13,862.39/x
  3. Step 3: Cross multiply
    6,418.62x = 13,862.39 × 13,862.39
  4. Step 4: Simplify right side
    6,418.62x = 192,165,873.84
  5. Step 5: Solve for x
    x = 192,165,873.84/6,418.62
  6. Step 6: Final answer
    x = 29,938.83

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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.