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Finding the Third Proportional to 192,211.50 and 305,484

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Solution

The third proportional to 192,211.50 and 305,484 is: 485,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,211.50 : 305,484 = 305,484 : x
  2. Step 2: Convert to fraction form
    192,211.50/305,484 = 305,484/x
  3. Step 3: Cross multiply
    192,211.50x = 305,484 × 305,484
  4. Step 4: Simplify right side
    192,211.50x = 93,320,474,256
  5. Step 5: Solve for x
    x = 93,320,474,256/192,211.50
  6. Step 6: Final answer
    x = 485,509.32

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.