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Finding the Third Proportional to 156,982 and 336,104

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Solution

The third proportional to 156,982 and 336,104 is: 719,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,982 : 336,104 = 336,104 : x
  2. Step 2: Convert to fraction form
    156,982/336,104 = 336,104/x
  3. Step 3: Cross multiply
    156,982x = 336,104 × 336,104
  4. Step 4: Simplify right side
    156,982x = 112,965,898,816
  5. Step 5: Solve for x
    x = 112,965,898,816/156,982
  6. Step 6: Final answer
    x = 719,610.52

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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.