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Finding the Third Proportional to 10,923 and 15,327

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Solution

The third proportional to 10,923 and 15,327 is: 21,506.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923 : 15,327 = 15,327 : x
  2. Step 2: Convert to fraction form
    10,923/15,327 = 15,327/x
  3. Step 3: Cross multiply
    10,923x = 15,327 × 15,327
  4. Step 4: Simplify right side
    10,923x = 234,916,929
  5. Step 5: Solve for x
    x = 234,916,929/10,923
  6. Step 6: Final answer
    x = 21,506.63

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.