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Finding the Third Proportional to 17,691 and 26,205.75

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Solution

The third proportional to 17,691 and 26,205.75 is: 38,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691 : 26,205.75 = 26,205.75 : x
  2. Step 2: Convert to fraction form
    17,691/26,205.75 = 26,205.75/x
  3. Step 3: Cross multiply
    17,691x = 26,205.75 × 26,205.75
  4. Step 4: Simplify right side
    17,691x = 686,741,333.06
  5. Step 5: Solve for x
    x = 686,741,333.06/17,691
  6. Step 6: Final answer
    x = 38,818.68

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.