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Finding the Third Proportional to 384,745.75 and 574,965.25

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Solution

The third proportional to 384,745.75 and 574,965.25 is: 859,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,745.75 : 574,965.25 = 574,965.25 : x
  2. Step 2: Convert to fraction form
    384,745.75/574,965.25 = 574,965.25/x
  3. Step 3: Cross multiply
    384,745.75x = 574,965.25 × 574,965.25
  4. Step 4: Simplify right side
    384,745.75x = 330,585,038,707.56
  5. Step 5: Solve for x
    x = 330,585,038,707.56/384,745.75
  6. Step 6: Final answer
    x = 859,229.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.