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Finding the Third Proportional to 16,767 and 18,193.50

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Solution

The third proportional to 16,767 and 18,193.50 is: 19,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767 : 18,193.50 = 18,193.50 : x
  2. Step 2: Convert to fraction form
    16,767/18,193.50 = 18,193.50/x
  3. Step 3: Cross multiply
    16,767x = 18,193.50 × 18,193.50
  4. Step 4: Simplify right side
    16,767x = 331,003,442.25
  5. Step 5: Solve for x
    x = 331,003,442.25/16,767
  6. Step 6: Final answer
    x = 19,741.36

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.