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Finding the Third Proportional to 11,895 and 12,975

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Solution

The third proportional to 11,895 and 12,975 is: 14,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895 : 12,975 = 12,975 : x
  2. Step 2: Convert to fraction form
    11,895/12,975 = 12,975/x
  3. Step 3: Cross multiply
    11,895x = 12,975 × 12,975
  4. Step 4: Simplify right side
    11,895x = 168,350,625
  5. Step 5: Solve for x
    x = 168,350,625/11,895
  6. Step 6: Final answer
    x = 14,153.06

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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.