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Finding the Third Proportional to 161,892 and 330,205.50

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Solution

The third proportional to 161,892 and 330,205.50 is: 673,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,892 : 330,205.50 = 330,205.50 : x
  2. Step 2: Convert to fraction form
    161,892/330,205.50 = 330,205.50/x
  3. Step 3: Cross multiply
    161,892x = 330,205.50 × 330,205.50
  4. Step 4: Simplify right side
    161,892x = 109,035,672,230.25
  5. Step 5: Solve for x
    x = 109,035,672,230.25/161,892
  6. Step 6: Final answer
    x = 673,508.71

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.