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Finding the Third Proportional to 156,794 and 338,742

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Solution

The third proportional to 156,794 and 338,742 is: 731,827.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,794 : 338,742 = 338,742 : x
  2. Step 2: Convert to fraction form
    156,794/338,742 = 338,742/x
  3. Step 3: Cross multiply
    156,794x = 338,742 × 338,742
  4. Step 4: Simplify right side
    156,794x = 114,746,142,564
  5. Step 5: Solve for x
    x = 114,746,142,564/156,794
  6. Step 6: Final answer
    x = 731,827.38

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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.