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Finding the Third Proportional to 11,945 and 18,834

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Solution

The third proportional to 11,945 and 18,834 is: 29,696.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945 : 18,834 = 18,834 : x
  2. Step 2: Convert to fraction form
    11,945/18,834 = 18,834/x
  3. Step 3: Cross multiply
    11,945x = 18,834 × 18,834
  4. Step 4: Simplify right side
    11,945x = 354,719,556
  5. Step 5: Solve for x
    x = 354,719,556/11,945
  6. Step 6: Final answer
    x = 29,696.07

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.