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Finding the Third Proportional to 12,674 and 18,995

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Solution

The third proportional to 12,674 and 18,995 is: 28,468.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674 : 18,995 = 18,995 : x
  2. Step 2: Convert to fraction form
    12,674/18,995 = 18,995/x
  3. Step 3: Cross multiply
    12,674x = 18,995 × 18,995
  4. Step 4: Simplify right side
    12,674x = 360,810,025
  5. Step 5: Solve for x
    x = 360,810,025/12,674
  6. Step 6: Final answer
    x = 28,468.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.