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Finding the Third Proportional to 4,023.75 and 6,155.25

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Solution

The third proportional to 4,023.75 and 6,155.25 is: 9,415.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,023.75 : 6,155.25 = 6,155.25 : x
  2. Step 2: Convert to fraction form
    4,023.75/6,155.25 = 6,155.25/x
  3. Step 3: Cross multiply
    4,023.75x = 6,155.25 × 6,155.25
  4. Step 4: Simplify right side
    4,023.75x = 37,887,102.56
  5. Step 5: Solve for x
    x = 37,887,102.56/4,023.75
  6. Step 6: Final answer
    x = 9,415.87

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.