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Finding the Third Proportional to 156,674 and 335,474

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Solution

The third proportional to 156,674 and 335,474 is: 718,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,674 : 335,474 = 335,474 : x
  2. Step 2: Convert to fraction form
    156,674/335,474 = 335,474/x
  3. Step 3: Cross multiply
    156,674x = 335,474 × 335,474
  4. Step 4: Simplify right side
    156,674x = 112,542,804,676
  5. Step 5: Solve for x
    x = 112,542,804,676/156,674
  6. Step 6: Final answer
    x = 718,324.70

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.