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Finding the Third Proportional to 156,466 and 337,876

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Solution

The third proportional to 156,466 and 337,876 is: 729,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,466 : 337,876 = 337,876 : x
  2. Step 2: Convert to fraction form
    156,466/337,876 = 337,876/x
  3. Step 3: Cross multiply
    156,466x = 337,876 × 337,876
  4. Step 4: Simplify right side
    156,466x = 114,160,191,376
  5. Step 5: Solve for x
    x = 114,160,191,376/156,466
  6. Step 6: Final answer
    x = 729,616.60

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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.