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Finding the Third Proportional to 13,778 and 18,197

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Solution

The third proportional to 13,778 and 18,197 is: 24,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,778 : 18,197 = 18,197 : x
  2. Step 2: Convert to fraction form
    13,778/18,197 = 18,197/x
  3. Step 3: Cross multiply
    13,778x = 18,197 × 18,197
  4. Step 4: Simplify right side
    13,778x = 331,130,809
  5. Step 5: Solve for x
    x = 331,130,809/13,778
  6. Step 6: Final answer
    x = 24,033.30

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.