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Finding the Third Proportional to 17,190 and 36,112

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Solution

The third proportional to 17,190 and 36,112 is: 75,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,190 : 36,112 = 36,112 : x
  2. Step 2: Convert to fraction form
    17,190/36,112 = 36,112/x
  3. Step 3: Cross multiply
    17,190x = 36,112 × 36,112
  4. Step 4: Simplify right side
    17,190x = 1,304,076,544
  5. Step 5: Solve for x
    x = 1,304,076,544/17,190
  6. Step 6: Final answer
    x = 75,862.51

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.