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Finding the Third Proportional to 15,272 and 33,328

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Solution

The third proportional to 15,272 and 33,328 is: 72,731.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272 : 33,328 = 33,328 : x
  2. Step 2: Convert to fraction form
    15,272/33,328 = 33,328/x
  3. Step 3: Cross multiply
    15,272x = 33,328 × 33,328
  4. Step 4: Simplify right side
    15,272x = 1,110,755,584
  5. Step 5: Solve for x
    x = 1,110,755,584/15,272
  6. Step 6: Final answer
    x = 72,731.51

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.