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Finding the Third Proportional to 15,493 and 33,402

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Solution

The third proportional to 15,493 and 33,402 is: 72,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,493 : 33,402 = 33,402 : x
  2. Step 2: Convert to fraction form
    15,493/33,402 = 33,402/x
  3. Step 3: Cross multiply
    15,493x = 33,402 × 33,402
  4. Step 4: Simplify right side
    15,493x = 1,115,693,604
  5. Step 5: Solve for x
    x = 1,115,693,604/15,493
  6. Step 6: Final answer
    x = 72,012.75

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.