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Finding the Third Proportional to 4,114.55 and 8,286.05

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Solution

The third proportional to 4,114.55 and 8,286.05 is: 16,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.55 : 8,286.05 = 8,286.05 : x
  2. Step 2: Convert to fraction form
    4,114.55/8,286.05 = 8,286.05/x
  3. Step 3: Cross multiply
    4,114.55x = 8,286.05 × 8,286.05
  4. Step 4: Simplify right side
    4,114.55x = 68,658,572.81
  5. Step 5: Solve for x
    x = 68,658,572.81/4,114.55
  6. Step 6: Final answer
    x = 16,686.79

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Why These Related Problems?

These problems maintain the same ratio (2.01) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.