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Finding the Third Proportional to 18,154 and 26,743

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Solution

The third proportional to 18,154 and 26,743 is: 39,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154 : 26,743 = 26,743 : x
  2. Step 2: Convert to fraction form
    18,154/26,743 = 26,743/x
  3. Step 3: Cross multiply
    18,154x = 26,743 × 26,743
  4. Step 4: Simplify right side
    18,154x = 715,188,049
  5. Step 5: Solve for x
    x = 715,188,049/18,154
  6. Step 6: Final answer
    x = 39,395.62

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.