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Finding the Third Proportional to 33,628 and 53,517

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Solution

The third proportional to 33,628 and 53,517 is: 85,169.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,628 : 53,517 = 53,517 : x
  2. Step 2: Convert to fraction form
    33,628/53,517 = 53,517/x
  3. Step 3: Cross multiply
    33,628x = 53,517 × 53,517
  4. Step 4: Simplify right side
    33,628x = 2,864,069,289
  5. Step 5: Solve for x
    x = 2,864,069,289/33,628
  6. Step 6: Final answer
    x = 85,169.18

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.