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Finding the Third Proportional to 5,278 and 8,025

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Solution

The third proportional to 5,278 and 8,025 is: 12,201.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278 : 8,025 = 8,025 : x
  2. Step 2: Convert to fraction form
    5,278/8,025 = 8,025/x
  3. Step 3: Cross multiply
    5,278x = 8,025 × 8,025
  4. Step 4: Simplify right side
    5,278x = 64,400,625
  5. Step 5: Solve for x
    x = 64,400,625/5,278
  6. Step 6: Final answer
    x = 12,201.71

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.