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Finding the Third Proportional to 17,456 and 26,272

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Solution

The third proportional to 17,456 and 26,272 is: 39,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,456 : 26,272 = 26,272 : x
  2. Step 2: Convert to fraction form
    17,456/26,272 = 26,272/x
  3. Step 3: Cross multiply
    17,456x = 26,272 × 26,272
  4. Step 4: Simplify right side
    17,456x = 690,217,984
  5. Step 5: Solve for x
    x = 690,217,984/17,456
  6. Step 6: Final answer
    x = 39,540.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.