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Finding the Third Proportional to 156,794 and 242,859

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Solution

The third proportional to 156,794 and 242,859 is: 376,165.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,794 : 242,859 = 242,859 : x
  2. Step 2: Convert to fraction form
    156,794/242,859 = 242,859/x
  3. Step 3: Cross multiply
    156,794x = 242,859 × 242,859
  4. Step 4: Simplify right side
    156,794x = 58,980,493,881
  5. Step 5: Solve for x
    x = 58,980,493,881/156,794
  6. Step 6: Final answer
    x = 376,165.50

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.