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Finding the Third Proportional to 4,155 and 6,039

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Solution

The third proportional to 4,155 and 6,039 is: 8,777.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155 : 6,039 = 6,039 : x
  2. Step 2: Convert to fraction form
    4,155/6,039 = 6,039/x
  3. Step 3: Cross multiply
    4,155x = 6,039 × 6,039
  4. Step 4: Simplify right side
    4,155x = 36,469,521
  5. Step 5: Solve for x
    x = 36,469,521/4,155
  6. Step 6: Final answer
    x = 8,777.26

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.