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Finding the Third Proportional to 3,684.38 and 5,475.38

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Solution

The third proportional to 3,684.38 and 5,475.38 is: 8,136.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.38 : 5,475.38 = 5,475.38 : x
  2. Step 2: Convert to fraction form
    3,684.38/5,475.38 = 5,475.38/x
  3. Step 3: Cross multiply
    3,684.38x = 5,475.38 × 5,475.38
  4. Step 4: Simplify right side
    3,684.38x = 29,979,731.39
  5. Step 5: Solve for x
    x = 29,979,731.39/3,684.38
  6. Step 6: Final answer
    x = 8,136.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.