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Finding the Third Proportional to 3,494 and 7,566.50

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Solution

The third proportional to 3,494 and 7,566.50 is: 16,385.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494 : 7,566.50 = 7,566.50 : x
  2. Step 2: Convert to fraction form
    3,494/7,566.50 = 7,566.50/x
  3. Step 3: Cross multiply
    3,494x = 7,566.50 × 7,566.50
  4. Step 4: Simplify right side
    3,494x = 57,251,922.25
  5. Step 5: Solve for x
    x = 57,251,922.25/3,494
  6. Step 6: Final answer
    x = 16,385.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.