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Finding the Third Proportional to 3,348.13 and 6,392.38

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Solution

The third proportional to 3,348.13 and 6,392.38 is: 12,204.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.13 : 6,392.38 = 6,392.38 : x
  2. Step 2: Convert to fraction form
    3,348.13/6,392.38 = 6,392.38/x
  3. Step 3: Cross multiply
    3,348.13x = 6,392.38 × 6,392.38
  4. Step 4: Simplify right side
    3,348.13x = 40,862,458.14
  5. Step 5: Solve for x
    x = 40,862,458.14/3,348.13
  6. Step 6: Final answer
    x = 12,204.58

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.