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Finding the Third Proportional to 15,996 and 18,876

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Solution

The third proportional to 15,996 and 18,876 is: 22,274.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996 : 18,876 = 18,876 : x
  2. Step 2: Convert to fraction form
    15,996/18,876 = 18,876/x
  3. Step 3: Cross multiply
    15,996x = 18,876 × 18,876
  4. Step 4: Simplify right side
    15,996x = 356,303,376
  5. Step 5: Solve for x
    x = 356,303,376/15,996
  6. Step 6: Final answer
    x = 22,274.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.