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Finding the Third Proportional to 12,644 and 17,794

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Solution

The third proportional to 12,644 and 17,794 is: 25,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644 : 17,794 = 17,794 : x
  2. Step 2: Convert to fraction form
    12,644/17,794 = 17,794/x
  3. Step 3: Cross multiply
    12,644x = 17,794 × 17,794
  4. Step 4: Simplify right side
    12,644x = 316,626,436
  5. Step 5: Solve for x
    x = 316,626,436/12,644
  6. Step 6: Final answer
    x = 25,041.64

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.