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Finding the Third Proportional to 12,395.53 and 18,883.97

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Solution

The third proportional to 12,395.53 and 18,883.97 is: 28,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.53 : 18,883.97 = 18,883.97 : x
  2. Step 2: Convert to fraction form
    12,395.53/18,883.97 = 18,883.97/x
  3. Step 3: Cross multiply
    12,395.53x = 18,883.97 × 18,883.97
  4. Step 4: Simplify right side
    12,395.53x = 356,604,275.75
  5. Step 5: Solve for x
    x = 356,604,275.75/12,395.53
  6. Step 6: Final answer
    x = 28,768.78

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.