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Finding the Third Proportional to 17,420 and 26,494

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Solution

The third proportional to 17,420 and 26,494 is: 40,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420 : 26,494 = 26,494 : x
  2. Step 2: Convert to fraction form
    17,420/26,494 = 26,494/x
  3. Step 3: Cross multiply
    17,420x = 26,494 × 26,494
  4. Step 4: Simplify right side
    17,420x = 701,932,036
  5. Step 5: Solve for x
    x = 701,932,036/17,420
  6. Step 6: Final answer
    x = 40,294.61

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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.