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Finding the Third Proportional to 113,190 and 172,244

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Solution

The third proportional to 113,190 and 172,244 is: 262,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,190 : 172,244 = 172,244 : x
  2. Step 2: Convert to fraction form
    113,190/172,244 = 172,244/x
  3. Step 3: Cross multiply
    113,190x = 172,244 × 172,244
  4. Step 4: Simplify right side
    113,190x = 29,667,995,536
  5. Step 5: Solve for x
    x = 29,667,995,536/113,190
  6. Step 6: Final answer
    x = 262,107.92

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.