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Finding the Third Proportional to 18,313.75 and 27,519.38

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Solution

The third proportional to 18,313.75 and 27,519.38 is: 41,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.75 : 27,519.38 = 27,519.38 : x
  2. Step 2: Convert to fraction form
    18,313.75/27,519.38 = 27,519.38/x
  3. Step 3: Cross multiply
    18,313.75x = 27,519.38 × 27,519.38
  4. Step 4: Simplify right side
    18,313.75x = 757,316,000.39
  5. Step 5: Solve for x
    x = 757,316,000.39/18,313.75
  6. Step 6: Final answer
    x = 41,352.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.