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Finding the Third Proportional to 156,914 and 336,292

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Solution

The third proportional to 156,914 and 336,292 is: 720,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,914 : 336,292 = 336,292 : x
  2. Step 2: Convert to fraction form
    156,914/336,292 = 336,292/x
  3. Step 3: Cross multiply
    156,914x = 336,292 × 336,292
  4. Step 4: Simplify right side
    156,914x = 113,092,309,264
  5. Step 5: Solve for x
    x = 113,092,309,264/156,914
  6. Step 6: Final answer
    x = 720,727.97

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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.