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Finding the Third Proportional to 15,081 and 33,153

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Solution

The third proportional to 15,081 and 33,153 is: 72,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,081 : 33,153 = 33,153 : x
  2. Step 2: Convert to fraction form
    15,081/33,153 = 33,153/x
  3. Step 3: Cross multiply
    15,081x = 33,153 × 33,153
  4. Step 4: Simplify right side
    15,081x = 1,099,121,409
  5. Step 5: Solve for x
    x = 1,099,121,409/15,081
  6. Step 6: Final answer
    x = 72,881.20

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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.