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Finding the Third Proportional to 156,963 and 234,831

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Solution

The third proportional to 156,963 and 234,831 is: 351,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,963 : 234,831 = 234,831 : x
  2. Step 2: Convert to fraction form
    156,963/234,831 = 234,831/x
  3. Step 3: Cross multiply
    156,963x = 234,831 × 234,831
  4. Step 4: Simplify right side
    156,963x = 55,145,598,561
  5. Step 5: Solve for x
    x = 55,145,598,561/156,963
  6. Step 6: Final answer
    x = 351,328.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.