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Finding the Third Proportional to 2,891 and 4,246

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Solution

The third proportional to 2,891 and 4,246 is: 6,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891 : 4,246 = 4,246 : x
  2. Step 2: Convert to fraction form
    2,891/4,246 = 4,246/x
  3. Step 3: Cross multiply
    2,891x = 4,246 × 4,246
  4. Step 4: Simplify right side
    2,891x = 18,028,516
  5. Step 5: Solve for x
    x = 18,028,516/2,891
  6. Step 6: Final answer
    x = 6,236.08

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.