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Finding the Third Proportional to 396,821.75 and 598,810.25

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Solution

The third proportional to 396,821.75 and 598,810.25 is: 903,614.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,821.75 : 598,810.25 = 598,810.25 : x
  2. Step 2: Convert to fraction form
    396,821.75/598,810.25 = 598,810.25/x
  3. Step 3: Cross multiply
    396,821.75x = 598,810.25 × 598,810.25
  4. Step 4: Simplify right side
    396,821.75x = 358,573,715,505.06
  5. Step 5: Solve for x
    x = 358,573,715,505.06/396,821.75
  6. Step 6: Final answer
    x = 903,614.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.