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Finding the Third Proportional to 18,191.25 and 27,354.38

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Solution

The third proportional to 18,191.25 and 27,354.38 is: 41,133.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.25 : 27,354.38 = 27,354.38 : x
  2. Step 2: Convert to fraction form
    18,191.25/27,354.38 = 27,354.38/x
  3. Step 3: Cross multiply
    18,191.25x = 27,354.38 × 27,354.38
  4. Step 4: Simplify right side
    18,191.25x = 748,261,831.64
  5. Step 5: Solve for x
    x = 748,261,831.64/18,191.25
  6. Step 6: Final answer
    x = 41,133.06

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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.