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Finding the Third Proportional to 18,250.50 and 39,414

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Solution

The third proportional to 18,250.50 and 39,414 is: 85,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.50 : 39,414 = 39,414 : x
  2. Step 2: Convert to fraction form
    18,250.50/39,414 = 39,414/x
  3. Step 3: Cross multiply
    18,250.50x = 39,414 × 39,414
  4. Step 4: Simplify right side
    18,250.50x = 1,553,463,396
  5. Step 5: Solve for x
    x = 1,553,463,396/18,250.50
  6. Step 6: Final answer
    x = 85,118.95

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.