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Finding the Third Proportional to 5,642 and 8,963

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Solution

The third proportional to 5,642 and 8,963 is: 14,238.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642 : 8,963 = 8,963 : x
  2. Step 2: Convert to fraction form
    5,642/8,963 = 8,963/x
  3. Step 3: Cross multiply
    5,642x = 8,963 × 8,963
  4. Step 4: Simplify right side
    5,642x = 80,335,369
  5. Step 5: Solve for x
    x = 80,335,369/5,642
  6. Step 6: Final answer
    x = 14,238.81

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.