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Finding the Third Proportional to 50,172.75 and 66,921.75

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Solution

The third proportional to 50,172.75 and 66,921.75 is: 89,262.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,172.75 : 66,921.75 = 66,921.75 : x
  2. Step 2: Convert to fraction form
    50,172.75/66,921.75 = 66,921.75/x
  3. Step 3: Cross multiply
    50,172.75x = 66,921.75 × 66,921.75
  4. Step 4: Simplify right side
    50,172.75x = 4,478,520,623.06
  5. Step 5: Solve for x
    x = 4,478,520,623.06/50,172.75
  6. Step 6: Final answer
    x = 89,262.01

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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.