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Finding the Third Proportional to 319,403.25 and 494,480.25

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Solution

The third proportional to 319,403.25 and 494,480.25 is: 765,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,403.25 : 494,480.25 = 494,480.25 : x
  2. Step 2: Convert to fraction form
    319,403.25/494,480.25 = 494,480.25/x
  3. Step 3: Cross multiply
    319,403.25x = 494,480.25 × 494,480.25
  4. Step 4: Simplify right side
    319,403.25x = 244,510,717,640.06
  5. Step 5: Solve for x
    x = 244,510,717,640.06/319,403.25
  6. Step 6: Final answer
    x = 765,523.57

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.