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Finding the Third Proportional to 3,169.59 and 4,505.25

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Solution

The third proportional to 3,169.59 and 4,505.25 is: 6,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.59 : 4,505.25 = 4,505.25 : x
  2. Step 2: Convert to fraction form
    3,169.59/4,505.25 = 4,505.25/x
  3. Step 3: Cross multiply
    3,169.59x = 4,505.25 × 4,505.25
  4. Step 4: Simplify right side
    3,169.59x = 20,297,277.56
  5. Step 5: Solve for x
    x = 20,297,277.56/3,169.59
  6. Step 6: Final answer
    x = 6,403.75

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.