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Finding the Third Proportional to 7,822 and 16,949

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Solution

The third proportional to 7,822 and 16,949 is: 36,725.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822 : 16,949 = 16,949 : x
  2. Step 2: Convert to fraction form
    7,822/16,949 = 16,949/x
  3. Step 3: Cross multiply
    7,822x = 16,949 × 16,949
  4. Step 4: Simplify right side
    7,822x = 287,268,601
  5. Step 5: Solve for x
    x = 287,268,601/7,822
  6. Step 6: Final answer
    x = 36,725.72

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.