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Finding the Third Proportional to 171,738 and 229,311

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Solution

The third proportional to 171,738 and 229,311 is: 306,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,738 : 229,311 = 229,311 : x
  2. Step 2: Convert to fraction form
    171,738/229,311 = 229,311/x
  3. Step 3: Cross multiply
    171,738x = 229,311 × 229,311
  4. Step 4: Simplify right side
    171,738x = 52,583,534,721
  5. Step 5: Solve for x
    x = 52,583,534,721/171,738
  6. Step 6: Final answer
    x = 306,184.62

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.