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Finding the Third Proportional to 17,391.38 and 26,418.38

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Solution

The third proportional to 17,391.38 and 26,418.38 is: 40,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.38 : 26,418.38 = 26,418.38 : x
  2. Step 2: Convert to fraction form
    17,391.38/26,418.38 = 26,418.38/x
  3. Step 3: Cross multiply
    17,391.38x = 26,418.38 × 26,418.38
  4. Step 4: Simplify right side
    17,391.38x = 697,930,537.64
  5. Step 5: Solve for x
    x = 697,930,537.64/17,391.38
  6. Step 6: Final answer
    x = 40,130.84

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.