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Finding the Third Proportional to 17,318 and 26,103

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Solution

The third proportional to 17,318 and 26,103 is: 39,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318 : 26,103 = 26,103 : x
  2. Step 2: Convert to fraction form
    17,318/26,103 = 26,103/x
  3. Step 3: Cross multiply
    17,318x = 26,103 × 26,103
  4. Step 4: Simplify right side
    17,318x = 681,366,609
  5. Step 5: Solve for x
    x = 681,366,609/17,318
  6. Step 6: Final answer
    x = 39,344.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.