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Finding the Third Proportional to 17,751.38 and 39,195

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Solution

The third proportional to 17,751.38 and 39,195 is: 86,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.38 : 39,195 = 39,195 : x
  2. Step 2: Convert to fraction form
    17,751.38/39,195 = 39,195/x
  3. Step 3: Cross multiply
    17,751.38x = 39,195 × 39,195
  4. Step 4: Simplify right side
    17,751.38x = 1,536,248,025
  5. Step 5: Solve for x
    x = 1,536,248,025/17,751.38
  6. Step 6: Final answer
    x = 86,542.48

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.