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Finding the Third Proportional to 396,589.50 and 604,176.25

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Solution

The third proportional to 396,589.50 and 604,176.25 is: 920,420.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,589.50 : 604,176.25 = 604,176.25 : x
  2. Step 2: Convert to fraction form
    396,589.50/604,176.25 = 604,176.25/x
  3. Step 3: Cross multiply
    396,589.50x = 604,176.25 × 604,176.25
  4. Step 4: Simplify right side
    396,589.50x = 365,028,941,064.06
  5. Step 5: Solve for x
    x = 365,028,941,064.06/396,589.50
  6. Step 6: Final answer
    x = 920,420.08

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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.