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Finding the Third Proportional to 7,634.25 and 16,640.44

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Solution

The third proportional to 7,634.25 and 16,640.44 is: 36,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.25 : 16,640.44 = 16,640.44 : x
  2. Step 2: Convert to fraction form
    7,634.25/16,640.44 = 16,640.44/x
  3. Step 3: Cross multiply
    7,634.25x = 16,640.44 × 16,640.44
  4. Step 4: Simplify right side
    7,634.25x = 276,904,160.19
  5. Step 5: Solve for x
    x = 276,904,160.19/7,634.25
  6. Step 6: Final answer
    x = 36,271.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.