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Finding the Third Proportional to 2,878 and 6,236

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Solution

The third proportional to 2,878 and 6,236 is: 13,512.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878 : 6,236 = 6,236 : x
  2. Step 2: Convert to fraction form
    2,878/6,236 = 6,236/x
  3. Step 3: Cross multiply
    2,878x = 6,236 × 6,236
  4. Step 4: Simplify right side
    2,878x = 38,887,696
  5. Step 5: Solve for x
    x = 38,887,696/2,878
  6. Step 6: Final answer
    x = 13,512.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.