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Finding the Third Proportional to 15,138 and 33,192

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Solution

The third proportional to 15,138 and 33,192 is: 72,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138 : 33,192 = 33,192 : x
  2. Step 2: Convert to fraction form
    15,138/33,192 = 33,192/x
  3. Step 3: Cross multiply
    15,138x = 33,192 × 33,192
  4. Step 4: Simplify right side
    15,138x = 1,101,708,864
  5. Step 5: Solve for x
    x = 1,101,708,864/15,138
  6. Step 6: Final answer
    x = 72,777.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.