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Finding the Third Proportional to 3,353.12 and 7,043.68

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Solution

The third proportional to 3,353.12 and 7,043.68 is: 14,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.12 : 7,043.68 = 7,043.68 : x
  2. Step 2: Convert to fraction form
    3,353.12/7,043.68 = 7,043.68/x
  3. Step 3: Cross multiply
    3,353.12x = 7,043.68 × 7,043.68
  4. Step 4: Simplify right side
    3,353.12x = 49,613,396.03
  5. Step 5: Solve for x
    x = 49,613,396.03/3,353.12
  6. Step 6: Final answer
    x = 14,796.21

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.