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Finding the Third Proportional to 15,558 and 33,276

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Solution

The third proportional to 15,558 and 33,276 is: 71,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558 : 33,276 = 33,276 : x
  2. Step 2: Convert to fraction form
    15,558/33,276 = 33,276/x
  3. Step 3: Cross multiply
    15,558x = 33,276 × 33,276
  4. Step 4: Simplify right side
    15,558x = 1,107,292,176
  5. Step 5: Solve for x
    x = 1,107,292,176/15,558
  6. Step 6: Final answer
    x = 71,171.88

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.