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Finding the Third Proportional to 7,494 and 17,682

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Solution

The third proportional to 7,494 and 17,682 is: 41,720.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494 : 17,682 = 17,682 : x
  2. Step 2: Convert to fraction form
    7,494/17,682 = 17,682/x
  3. Step 3: Cross multiply
    7,494x = 17,682 × 17,682
  4. Step 4: Simplify right side
    7,494x = 312,653,124
  5. Step 5: Solve for x
    x = 312,653,124/7,494
  6. Step 6: Final answer
    x = 41,720.46

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.