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Finding the Third Proportional to 2,412 and 5,281

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Solution

The third proportional to 2,412 and 5,281 is: 11,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412 : 5,281 = 5,281 : x
  2. Step 2: Convert to fraction form
    2,412/5,281 = 5,281/x
  3. Step 3: Cross multiply
    2,412x = 5,281 × 5,281
  4. Step 4: Simplify right side
    2,412x = 27,888,961
  5. Step 5: Solve for x
    x = 27,888,961/2,412
  6. Step 6: Final answer
    x = 11,562.59

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.