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Finding the Third Proportional to 156,262 and 336,860

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Solution

The third proportional to 156,262 and 336,860 is: 726,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,262 : 336,860 = 336,860 : x
  2. Step 2: Convert to fraction form
    156,262/336,860 = 336,860/x
  3. Step 3: Cross multiply
    156,262x = 336,860 × 336,860
  4. Step 4: Simplify right side
    156,262x = 113,474,659,600
  5. Step 5: Solve for x
    x = 113,474,659,600/156,262
  6. Step 6: Final answer
    x = 726,182.05

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.