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Finding the Third Proportional to 15,966 and 18,894

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Solution

The third proportional to 15,966 and 18,894 is: 22,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966 : 18,894 = 18,894 : x
  2. Step 2: Convert to fraction form
    15,966/18,894 = 18,894/x
  3. Step 3: Cross multiply
    15,966x = 18,894 × 18,894
  4. Step 4: Simplify right side
    15,966x = 356,983,236
  5. Step 5: Solve for x
    x = 356,983,236/15,966
  6. Step 6: Final answer
    x = 22,358.97

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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.