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Finding the Third Proportional to 2,163 and 3,307

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Solution

The third proportional to 2,163 and 3,307 is: 5,056.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163 : 3,307 = 3,307 : x
  2. Step 2: Convert to fraction form
    2,163/3,307 = 3,307/x
  3. Step 3: Cross multiply
    2,163x = 3,307 × 3,307
  4. Step 4: Simplify right side
    2,163x = 10,936,249
  5. Step 5: Solve for x
    x = 10,936,249/2,163
  6. Step 6: Final answer
    x = 5,056.06

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.