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Finding the Third Proportional to 17,425.50 and 26,661

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Solution

The third proportional to 17,425.50 and 26,661 is: 40,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,425.50 : 26,661 = 26,661 : x
  2. Step 2: Convert to fraction form
    17,425.50/26,661 = 26,661/x
  3. Step 3: Cross multiply
    17,425.50x = 26,661 × 26,661
  4. Step 4: Simplify right side
    17,425.50x = 710,808,921
  5. Step 5: Solve for x
    x = 710,808,921/17,425.50
  6. Step 6: Final answer
    x = 40,791.31

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.