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Finding the Third Proportional to 17,213.50 and 36,494

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Solution

The third proportional to 17,213.50 and 36,494 is: 77,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,213.50 : 36,494 = 36,494 : x
  2. Step 2: Convert to fraction form
    17,213.50/36,494 = 36,494/x
  3. Step 3: Cross multiply
    17,213.50x = 36,494 × 36,494
  4. Step 4: Simplify right side
    17,213.50x = 1,331,812,036
  5. Step 5: Solve for x
    x = 1,331,812,036/17,213.50
  6. Step 6: Final answer
    x = 77,370.21

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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.