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Finding the Third Proportional to 15,990 and 23,974

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Solution

The third proportional to 15,990 and 23,974 is: 35,944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990 : 23,974 = 23,974 : x
  2. Step 2: Convert to fraction form
    15,990/23,974 = 23,974/x
  3. Step 3: Cross multiply
    15,990x = 23,974 × 23,974
  4. Step 4: Simplify right side
    15,990x = 574,752,676
  5. Step 5: Solve for x
    x = 574,752,676/15,990
  6. Step 6: Final answer
    x = 35,944.51

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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.