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Finding the Third Proportional to 50,530.50 and 84,211.75

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Solution

The third proportional to 50,530.50 and 84,211.75 is: 140,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,530.50 : 84,211.75 = 84,211.75 : x
  2. Step 2: Convert to fraction form
    50,530.50/84,211.75 = 84,211.75/x
  3. Step 3: Cross multiply
    50,530.50x = 84,211.75 × 84,211.75
  4. Step 4: Simplify right side
    50,530.50x = 7,091,618,838.06
  5. Step 5: Solve for x
    x = 7,091,618,838.06/50,530.50
  6. Step 6: Final answer
    x = 140,343.33

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.