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Finding the Third Proportional to 15,104 and 33,280

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Solution

The third proportional to 15,104 and 33,280 is: 73,328.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104 : 33,280 = 33,280 : x
  2. Step 2: Convert to fraction form
    15,104/33,280 = 33,280/x
  3. Step 3: Cross multiply
    15,104x = 33,280 × 33,280
  4. Step 4: Simplify right side
    15,104x = 1,107,558,400
  5. Step 5: Solve for x
    x = 1,107,558,400/15,104
  6. Step 6: Final answer
    x = 73,328.81

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.