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Finding the Third Proportional to 2,505 and 5,246

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Solution

The third proportional to 2,505 and 5,246 is: 10,986.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505 : 5,246 = 5,246 : x
  2. Step 2: Convert to fraction form
    2,505/5,246 = 5,246/x
  3. Step 3: Cross multiply
    2,505x = 5,246 × 5,246
  4. Step 4: Simplify right side
    2,505x = 27,520,516
  5. Step 5: Solve for x
    x = 27,520,516/2,505
  6. Step 6: Final answer
    x = 10,986.23

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.