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Finding the Third Proportional to 17,936 and 27,520

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Solution

The third proportional to 17,936 and 27,520 is: 42,225.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,936 : 27,520 = 27,520 : x
  2. Step 2: Convert to fraction form
    17,936/27,520 = 27,520/x
  3. Step 3: Cross multiply
    17,936x = 27,520 × 27,520
  4. Step 4: Simplify right side
    17,936x = 757,350,400
  5. Step 5: Solve for x
    x = 757,350,400/17,936
  6. Step 6: Final answer
    x = 42,225.16

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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.