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Finding the Third Proportional to 30,736.50 and 47,469

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Solution

The third proportional to 30,736.50 and 47,469 is: 73,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,736.50 : 47,469 = 47,469 : x
  2. Step 2: Convert to fraction form
    30,736.50/47,469 = 47,469/x
  3. Step 3: Cross multiply
    30,736.50x = 47,469 × 47,469
  4. Step 4: Simplify right side
    30,736.50x = 2,253,305,961
  5. Step 5: Solve for x
    x = 2,253,305,961/30,736.50
  6. Step 6: Final answer
    x = 73,310.43

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.