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Finding the Third Proportional to 7,923 and 12,264

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Solution

The third proportional to 7,923 and 12,264 is: 18,983.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923 : 12,264 = 12,264 : x
  2. Step 2: Convert to fraction form
    7,923/12,264 = 12,264/x
  3. Step 3: Cross multiply
    7,923x = 12,264 × 12,264
  4. Step 4: Simplify right side
    7,923x = 150,405,696
  5. Step 5: Solve for x
    x = 150,405,696/7,923
  6. Step 6: Final answer
    x = 18,983.43

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.