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Finding the Third Proportional to 109,238 and 167,031

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Solution

The third proportional to 109,238 and 167,031 is: 255,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,238 : 167,031 = 167,031 : x
  2. Step 2: Convert to fraction form
    109,238/167,031 = 167,031/x
  3. Step 3: Cross multiply
    109,238x = 167,031 × 167,031
  4. Step 4: Simplify right side
    109,238x = 27,899,354,961
  5. Step 5: Solve for x
    x = 27,899,354,961/109,238
  6. Step 6: Final answer
    x = 255,399.72

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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.