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Finding the Third Proportional to 13,219.50 and 18,795

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Solution

The third proportional to 13,219.50 and 18,795 is: 26,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.50 : 18,795 = 18,795 : x
  2. Step 2: Convert to fraction form
    13,219.50/18,795 = 18,795/x
  3. Step 3: Cross multiply
    13,219.50x = 18,795 × 18,795
  4. Step 4: Simplify right side
    13,219.50x = 353,252,025
  5. Step 5: Solve for x
    x = 353,252,025/13,219.50
  6. Step 6: Final answer
    x = 26,722.04

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.