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Finding the Third Proportional to 396,632.69 and 604,248.84

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Solution

The third proportional to 396,632.69 and 604,248.84 is: 920,541.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,632.69 : 604,248.84 = 604,248.84 : x
  2. Step 2: Convert to fraction form
    396,632.69/604,248.84 = 604,248.84/x
  3. Step 3: Cross multiply
    396,632.69x = 604,248.84 × 604,248.84
  4. Step 4: Simplify right side
    396,632.69x = 365,116,665,173.21
  5. Step 5: Solve for x
    x = 365,116,665,173.21/396,632.69
  6. Step 6: Final answer
    x = 920,541.04

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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.