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Finding the Third Proportional to 4,010 and 5,247

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Solution

The third proportional to 4,010 and 5,247 is: 6,865.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,010 : 5,247 = 5,247 : x
  2. Step 2: Convert to fraction form
    4,010/5,247 = 5,247/x
  3. Step 3: Cross multiply
    4,010x = 5,247 × 5,247
  4. Step 4: Simplify right side
    4,010x = 27,531,009
  5. Step 5: Solve for x
    x = 27,531,009/4,010
  6. Step 6: Final answer
    x = 6,865.59

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.