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Finding the Third Proportional to 104,472 and 156,939

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Solution

The third proportional to 104,472 and 156,939 is: 235,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,472 : 156,939 = 156,939 : x
  2. Step 2: Convert to fraction form
    104,472/156,939 = 156,939/x
  3. Step 3: Cross multiply
    104,472x = 156,939 × 156,939
  4. Step 4: Simplify right side
    104,472x = 24,629,849,721
  5. Step 5: Solve for x
    x = 24,629,849,721/104,472
  6. Step 6: Final answer
    x = 235,755.51

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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.