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Finding the Third Proportional to 148,063.50 and 211,020.75

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Solution

The third proportional to 148,063.50 and 211,020.75 is: 300,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,063.50 : 211,020.75 = 211,020.75 : x
  2. Step 2: Convert to fraction form
    148,063.50/211,020.75 = 211,020.75/x
  3. Step 3: Cross multiply
    148,063.50x = 211,020.75 × 211,020.75
  4. Step 4: Simplify right side
    148,063.50x = 44,529,756,930.56
  5. Step 5: Solve for x
    x = 44,529,756,930.56/148,063.50
  6. Step 6: Final answer
    x = 300,747.70

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.