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Finding the Third Proportional to 15,366 and 16,950

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Solution

The third proportional to 15,366 and 16,950 is: 18,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366 : 16,950 = 16,950 : x
  2. Step 2: Convert to fraction form
    15,366/16,950 = 16,950/x
  3. Step 3: Cross multiply
    15,366x = 16,950 × 16,950
  4. Step 4: Simplify right side
    15,366x = 287,302,500
  5. Step 5: Solve for x
    x = 287,302,500/15,366
  6. Step 6: Final answer
    x = 18,697.29

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.