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Finding the Third Proportional to 159,719 and 347,766

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Solution

The third proportional to 159,719 and 347,766 is: 757,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,719 : 347,766 = 347,766 : x
  2. Step 2: Convert to fraction form
    159,719/347,766 = 347,766/x
  3. Step 3: Cross multiply
    159,719x = 347,766 × 347,766
  4. Step 4: Simplify right side
    159,719x = 120,941,190,756
  5. Step 5: Solve for x
    x = 120,941,190,756/159,719
  6. Step 6: Final answer
    x = 757,212.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.