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Finding the Third Proportional to 4,108.50 and 6,243.75

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Solution

The third proportional to 4,108.50 and 6,243.75 is: 9,488.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.50 : 6,243.75 = 6,243.75 : x
  2. Step 2: Convert to fraction form
    4,108.50/6,243.75 = 6,243.75/x
  3. Step 3: Cross multiply
    4,108.50x = 6,243.75 × 6,243.75
  4. Step 4: Simplify right side
    4,108.50x = 38,984,414.06
  5. Step 5: Solve for x
    x = 38,984,414.06/4,108.50
  6. Step 6: Final answer
    x = 9,488.72

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.