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Finding the Third Proportional to 50,142 and 66,836

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Solution

The third proportional to 50,142 and 66,836 is: 89,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,142 : 66,836 = 66,836 : x
  2. Step 2: Convert to fraction form
    50,142/66,836 = 66,836/x
  3. Step 3: Cross multiply
    50,142x = 66,836 × 66,836
  4. Step 4: Simplify right side
    50,142x = 4,467,050,896
  5. Step 5: Solve for x
    x = 4,467,050,896/50,142
  6. Step 6: Final answer
    x = 89,088.01

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.