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Finding the Third Proportional to 7,625 and 11,952

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Solution

The third proportional to 7,625 and 11,952 is: 18,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625 : 11,952 = 11,952 : x
  2. Step 2: Convert to fraction form
    7,625/11,952 = 11,952/x
  3. Step 3: Cross multiply
    7,625x = 11,952 × 11,952
  4. Step 4: Simplify right side
    7,625x = 142,850,304
  5. Step 5: Solve for x
    x = 142,850,304/7,625
  6. Step 6: Final answer
    x = 18,734.47

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.