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Finding the Third Proportional to 20,376 and 27,054

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Solution

The third proportional to 20,376 and 27,054 is: 35,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376 : 27,054 = 27,054 : x
  2. Step 2: Convert to fraction form
    20,376/27,054 = 27,054/x
  3. Step 3: Cross multiply
    20,376x = 27,054 × 27,054
  4. Step 4: Simplify right side
    20,376x = 731,918,916
  5. Step 5: Solve for x
    x = 731,918,916/20,376
  6. Step 6: Final answer
    x = 35,920.64

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.