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Finding the Third Proportional to 15,728 and 33,264

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Solution

The third proportional to 15,728 and 33,264 is: 70,351.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728 : 33,264 = 33,264 : x
  2. Step 2: Convert to fraction form
    15,728/33,264 = 33,264/x
  3. Step 3: Cross multiply
    15,728x = 33,264 × 33,264
  4. Step 4: Simplify right side
    15,728x = 1,106,493,696
  5. Step 5: Solve for x
    x = 1,106,493,696/15,728
  6. Step 6: Final answer
    x = 70,351.84

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.