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Finding the Third Proportional to 18,543.75 and 27,525

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Solution

The third proportional to 18,543.75 and 27,525 is: 40,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.75 : 27,525 = 27,525 : x
  2. Step 2: Convert to fraction form
    18,543.75/27,525 = 27,525/x
  3. Step 3: Cross multiply
    18,543.75x = 27,525 × 27,525
  4. Step 4: Simplify right side
    18,543.75x = 757,625,625
  5. Step 5: Solve for x
    x = 757,625,625/18,543.75
  6. Step 6: Final answer
    x = 40,856.12

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.