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Finding the Third Proportional to 18,839.25 and 26,834.63

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Solution

The third proportional to 18,839.25 and 26,834.63 is: 38,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.25 : 26,834.63 = 26,834.63 : x
  2. Step 2: Convert to fraction form
    18,839.25/26,834.63 = 26,834.63/x
  3. Step 3: Cross multiply
    18,839.25x = 26,834.63 × 26,834.63
  4. Step 4: Simplify right side
    18,839.25x = 720,097,098.89
  5. Step 5: Solve for x
    x = 720,097,098.89/18,839.25
  6. Step 6: Final answer
    x = 38,223.24

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.