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Finding the Third Proportional to 14,816 and 20,806

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Solution

The third proportional to 14,816 and 20,806 is: 29,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,816 : 20,806 = 20,806 : x
  2. Step 2: Convert to fraction form
    14,816/20,806 = 20,806/x
  3. Step 3: Cross multiply
    14,816x = 20,806 × 20,806
  4. Step 4: Simplify right side
    14,816x = 432,889,636
  5. Step 5: Solve for x
    x = 432,889,636/14,816
  6. Step 6: Final answer
    x = 29,217.71

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.