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Finding the Third Proportional to 328,961.75 and 495,872.75

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Solution

The third proportional to 328,961.75 and 495,872.75 is: 747,472.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,961.75 : 495,872.75 = 495,872.75 : x
  2. Step 2: Convert to fraction form
    328,961.75/495,872.75 = 495,872.75/x
  3. Step 3: Cross multiply
    328,961.75x = 495,872.75 × 495,872.75
  4. Step 4: Simplify right side
    328,961.75x = 245,889,784,192.56
  5. Step 5: Solve for x
    x = 245,889,784,192.56/328,961.75
  6. Step 6: Final answer
    x = 747,472.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.