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Finding the Third Proportional to 10,238 and 15,631

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Solution

The third proportional to 10,238 and 15,631 is: 23,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,238 : 15,631 = 15,631 : x
  2. Step 2: Convert to fraction form
    10,238/15,631 = 15,631/x
  3. Step 3: Cross multiply
    10,238x = 15,631 × 15,631
  4. Step 4: Simplify right side
    10,238x = 244,328,161
  5. Step 5: Solve for x
    x = 244,328,161/10,238
  6. Step 6: Final answer
    x = 23,864.83

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.