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Finding the Third Proportional to 3,504 and 7,182

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Solution

The third proportional to 3,504 and 7,182 is: 14,720.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504 : 7,182 = 7,182 : x
  2. Step 2: Convert to fraction form
    3,504/7,182 = 7,182/x
  3. Step 3: Cross multiply
    3,504x = 7,182 × 7,182
  4. Step 4: Simplify right side
    3,504x = 51,581,124
  5. Step 5: Solve for x
    x = 51,581,124/3,504
  6. Step 6: Final answer
    x = 14,720.64

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.