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Finding the Third Proportional to 11,674.13 and 18,106.88

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Solution

The third proportional to 11,674.13 and 18,106.88 is: 28,084.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.13 : 18,106.88 = 18,106.88 : x
  2. Step 2: Convert to fraction form
    11,674.13/18,106.88 = 18,106.88/x
  3. Step 3: Cross multiply
    11,674.13x = 18,106.88 × 18,106.88
  4. Step 4: Simplify right side
    11,674.13x = 327,858,922.27
  5. Step 5: Solve for x
    x = 327,858,922.27/11,674.13
  6. Step 6: Final answer
    x = 28,084.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.