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Finding the Third Proportional to 396,766.50 and 603,453

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Solution

The third proportional to 396,766.50 and 603,453 is: 917,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,766.50 : 603,453 = 603,453 : x
  2. Step 2: Convert to fraction form
    396,766.50/603,453 = 603,453/x
  3. Step 3: Cross multiply
    396,766.50x = 603,453 × 603,453
  4. Step 4: Simplify right side
    396,766.50x = 364,155,523,209
  5. Step 5: Solve for x
    x = 364,155,523,209/396,766.50
  6. Step 6: Final answer
    x = 917,808.14

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.