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Finding the Third Proportional to 2,886 and 6,156

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Solution

The third proportional to 2,886 and 6,156 is: 13,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886 : 6,156 = 6,156 : x
  2. Step 2: Convert to fraction form
    2,886/6,156 = 6,156/x
  3. Step 3: Cross multiply
    2,886x = 6,156 × 6,156
  4. Step 4: Simplify right side
    2,886x = 37,896,336
  5. Step 5: Solve for x
    x = 37,896,336/2,886
  6. Step 6: Final answer
    x = 13,131.09

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.