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Finding the Third Proportional to 27,213 and 55,191

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Solution

The third proportional to 27,213 and 55,191 is: 111,933.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,213 : 55,191 = 55,191 : x
  2. Step 2: Convert to fraction form
    27,213/55,191 = 55,191/x
  3. Step 3: Cross multiply
    27,213x = 55,191 × 55,191
  4. Step 4: Simplify right side
    27,213x = 3,046,046,481
  5. Step 5: Solve for x
    x = 3,046,046,481/27,213
  6. Step 6: Final answer
    x = 111,933.51

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.