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Finding the Third Proportional to 396,618.75 and 604,222.88

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Solution

The third proportional to 396,618.75 and 604,222.88 is: 920,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,618.75 : 604,222.88 = 604,222.88 : x
  2. Step 2: Convert to fraction form
    396,618.75/604,222.88 = 604,222.88/x
  3. Step 3: Cross multiply
    396,618.75x = 604,222.88 × 604,222.88
  4. Step 4: Simplify right side
    396,618.75x = 365,085,282,673.27
  5. Step 5: Solve for x
    x = 365,085,282,673.27/396,618.75
  6. Step 6: Final answer
    x = 920,494.26

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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.