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Finding the Third Proportional to 4,191.75 and 5,707.97

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Solution

The third proportional to 4,191.75 and 5,707.97 is: 7,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.75 : 5,707.97 = 5,707.97 : x
  2. Step 2: Convert to fraction form
    4,191.75/5,707.97 = 5,707.97/x
  3. Step 3: Cross multiply
    4,191.75x = 5,707.97 × 5,707.97
  4. Step 4: Simplify right side
    4,191.75x = 32,580,907.25
  5. Step 5: Solve for x
    x = 32,580,907.25/4,191.75
  6. Step 6: Final answer
    x = 7,772.63

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.