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Finding the Third Proportional to 3,665 and 5,263

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Solution

The third proportional to 3,665 and 5,263 is: 7,557.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665 : 5,263 = 5,263 : x
  2. Step 2: Convert to fraction form
    3,665/5,263 = 5,263/x
  3. Step 3: Cross multiply
    3,665x = 5,263 × 5,263
  4. Step 4: Simplify right side
    3,665x = 27,699,169
  5. Step 5: Solve for x
    x = 27,699,169/3,665
  6. Step 6: Final answer
    x = 7,557.75

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.