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Finding the Third Proportional to 396,504 and 565,231.50

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Solution

The third proportional to 396,504 and 565,231.50 is: 805,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,504 : 565,231.50 = 565,231.50 : x
  2. Step 2: Convert to fraction form
    396,504/565,231.50 = 565,231.50/x
  3. Step 3: Cross multiply
    396,504x = 565,231.50 × 565,231.50
  4. Step 4: Simplify right side
    396,504x = 319,486,648,592.25
  5. Step 5: Solve for x
    x = 319,486,648,592.25/396,504
  6. Step 6: Final answer
    x = 805,758.95

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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.