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Finding the Third Proportional to 27,168 and 57,286

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Solution

The third proportional to 27,168 and 57,286 is: 120,792.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,168 : 57,286 = 57,286 : x
  2. Step 2: Convert to fraction form
    27,168/57,286 = 57,286/x
  3. Step 3: Cross multiply
    27,168x = 57,286 × 57,286
  4. Step 4: Simplify right side
    27,168x = 3,281,685,796
  5. Step 5: Solve for x
    x = 3,281,685,796/27,168
  6. Step 6: Final answer
    x = 120,792.32

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.