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Finding the Third Proportional to 4,281 and 8,961

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Solution

The third proportional to 4,281 and 8,961 is: 18,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281 : 8,961 = 8,961 : x
  2. Step 2: Convert to fraction form
    4,281/8,961 = 8,961/x
  3. Step 3: Cross multiply
    4,281x = 8,961 × 8,961
  4. Step 4: Simplify right side
    4,281x = 80,299,521
  5. Step 5: Solve for x
    x = 80,299,521/4,281
  6. Step 6: Final answer
    x = 18,757.19

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.