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Finding the Third Proportional to 156,366 and 368,757

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Solution

The third proportional to 156,366 and 368,757 is: 869,637.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,366 : 368,757 = 368,757 : x
  2. Step 2: Convert to fraction form
    156,366/368,757 = 368,757/x
  3. Step 3: Cross multiply
    156,366x = 368,757 × 368,757
  4. Step 4: Simplify right side
    156,366x = 135,981,725,049
  5. Step 5: Solve for x
    x = 135,981,725,049/156,366
  6. Step 6: Final answer
    x = 869,637.42

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.