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Finding the Third Proportional to 2,218 and 3,283

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Solution

The third proportional to 2,218 and 3,283 is: 4,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218 : 3,283 = 3,283 : x
  2. Step 2: Convert to fraction form
    2,218/3,283 = 3,283/x
  3. Step 3: Cross multiply
    2,218x = 3,283 × 3,283
  4. Step 4: Simplify right side
    2,218x = 10,778,089
  5. Step 5: Solve for x
    x = 10,778,089/2,218
  6. Step 6: Final answer
    x = 4,859.37

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.