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Finding the Third Proportional to 4,216.50 and 5,865.75

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Solution

The third proportional to 4,216.50 and 5,865.75 is: 8,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.50 : 5,865.75 = 5,865.75 : x
  2. Step 2: Convert to fraction form
    4,216.50/5,865.75 = 5,865.75/x
  3. Step 3: Cross multiply
    4,216.50x = 5,865.75 × 5,865.75
  4. Step 4: Simplify right side
    4,216.50x = 34,407,023.06
  5. Step 5: Solve for x
    x = 34,407,023.06/4,216.50
  6. Step 6: Final answer
    x = 8,160.09

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.