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Finding the Third Proportional to 2,963 and 5,305

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Solution

The third proportional to 2,963 and 5,305 is: 9,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963 : 5,305 = 5,305 : x
  2. Step 2: Convert to fraction form
    2,963/5,305 = 5,305/x
  3. Step 3: Cross multiply
    2,963x = 5,305 × 5,305
  4. Step 4: Simplify right side
    2,963x = 28,143,025
  5. Step 5: Solve for x
    x = 28,143,025/2,963
  6. Step 6: Final answer
    x = 9,498.15

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.