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Finding the Third Proportional to 2,486 and 5,377

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Solution

The third proportional to 2,486 and 5,377 is: 11,629.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486 : 5,377 = 5,377 : x
  2. Step 2: Convert to fraction form
    2,486/5,377 = 5,377/x
  3. Step 3: Cross multiply
    2,486x = 5,377 × 5,377
  4. Step 4: Simplify right side
    2,486x = 28,912,129
  5. Step 5: Solve for x
    x = 28,912,129/2,486
  6. Step 6: Final answer
    x = 11,629.98

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.