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Finding the Third Proportional to 2,016 and 2,889

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Solution

The third proportional to 2,016 and 2,889 is: 4,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016 : 2,889 = 2,889 : x
  2. Step 2: Convert to fraction form
    2,016/2,889 = 2,889/x
  3. Step 3: Cross multiply
    2,016x = 2,889 × 2,889
  4. Step 4: Simplify right side
    2,016x = 8,346,321
  5. Step 5: Solve for x
    x = 8,346,321/2,016
  6. Step 6: Final answer
    x = 4,140.04

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.