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Finding the Third Proportional to 31,545 and 48,836

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Solution

The third proportional to 31,545 and 48,836 is: 75,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545 : 48,836 = 48,836 : x
  2. Step 2: Convert to fraction form
    31,545/48,836 = 48,836/x
  3. Step 3: Cross multiply
    31,545x = 48,836 × 48,836
  4. Step 4: Simplify right side
    31,545x = 2,384,954,896
  5. Step 5: Solve for x
    x = 2,384,954,896/31,545
  6. Step 6: Final answer
    x = 75,604.85

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.