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Finding the Third Proportional to 40,131 and 45,963

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Solution

The third proportional to 40,131 and 45,963 is: 52,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,131 : 45,963 = 45,963 : x
  2. Step 2: Convert to fraction form
    40,131/45,963 = 45,963/x
  3. Step 3: Cross multiply
    40,131x = 45,963 × 45,963
  4. Step 4: Simplify right side
    40,131x = 2,112,597,369
  5. Step 5: Solve for x
    x = 2,112,597,369/40,131
  6. Step 6: Final answer
    x = 52,642.53

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.