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Finding the Third Proportional to 156,204 and 340,677

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Solution

The third proportional to 156,204 and 340,677 is: 743,007.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,204 : 340,677 = 340,677 : x
  2. Step 2: Convert to fraction form
    156,204/340,677 = 340,677/x
  3. Step 3: Cross multiply
    156,204x = 340,677 × 340,677
  4. Step 4: Simplify right side
    156,204x = 116,060,818,329
  5. Step 5: Solve for x
    x = 116,060,818,329/156,204
  6. Step 6: Final answer
    x = 743,007.98

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.