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Finding the Third Proportional to 5,077 and 7,245

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Solution

The third proportional to 5,077 and 7,245 is: 10,338.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077 : 7,245 = 7,245 : x
  2. Step 2: Convert to fraction form
    5,077/7,245 = 7,245/x
  3. Step 3: Cross multiply
    5,077x = 7,245 × 7,245
  4. Step 4: Simplify right side
    5,077x = 52,490,025
  5. Step 5: Solve for x
    x = 52,490,025/5,077
  6. Step 6: Final answer
    x = 10,338.79

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.