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Finding the Third Proportional to 17,240 and 36,512

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Solution

The third proportional to 17,240 and 36,512 is: 77,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,240 : 36,512 = 36,512 : x
  2. Step 2: Convert to fraction form
    17,240/36,512 = 36,512/x
  3. Step 3: Cross multiply
    17,240x = 36,512 × 36,512
  4. Step 4: Simplify right side
    17,240x = 1,333,126,144
  5. Step 5: Solve for x
    x = 1,333,126,144/17,240
  6. Step 6: Final answer
    x = 77,327.50

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.