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Finding the Third Proportional to 157,245.75 and 339,520.50

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Solution

The third proportional to 157,245.75 and 339,520.50 is: 733,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,245.75 : 339,520.50 = 339,520.50 : x
  2. Step 2: Convert to fraction form
    157,245.75/339,520.50 = 339,520.50/x
  3. Step 3: Cross multiply
    157,245.75x = 339,520.50 × 339,520.50
  4. Step 4: Simplify right side
    157,245.75x = 115,274,169,920.25
  5. Step 5: Solve for x
    x = 115,274,169,920.25/157,245.75
  6. Step 6: Final answer
    x = 733,082.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.