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Finding the Third Proportional to 17,378 and 26,791

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Solution

The third proportional to 17,378 and 26,791 is: 41,302.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378 : 26,791 = 26,791 : x
  2. Step 2: Convert to fraction form
    17,378/26,791 = 26,791/x
  3. Step 3: Cross multiply
    17,378x = 26,791 × 26,791
  4. Step 4: Simplify right side
    17,378x = 717,757,681
  5. Step 5: Solve for x
    x = 717,757,681/17,378
  6. Step 6: Final answer
    x = 41,302.66

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.