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Finding the Third Proportional to 5,379 and 7,263

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Solution

The third proportional to 5,379 and 7,263 is: 9,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379 : 7,263 = 7,263 : x
  2. Step 2: Convert to fraction form
    5,379/7,263 = 7,263/x
  3. Step 3: Cross multiply
    5,379x = 7,263 × 7,263
  4. Step 4: Simplify right side
    5,379x = 52,751,169
  5. Step 5: Solve for x
    x = 52,751,169/5,379
  6. Step 6: Final answer
    x = 9,806.87

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.