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Finding the Third Proportional to 4,071.75 and 4,440.75

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Solution

The third proportional to 4,071.75 and 4,440.75 is: 4,843.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.75 : 4,440.75 = 4,440.75 : x
  2. Step 2: Convert to fraction form
    4,071.75/4,440.75 = 4,440.75/x
  3. Step 3: Cross multiply
    4,071.75x = 4,440.75 × 4,440.75
  4. Step 4: Simplify right side
    4,071.75x = 19,720,260.56
  5. Step 5: Solve for x
    x = 19,720,260.56/4,071.75
  6. Step 6: Final answer
    x = 4,843.19

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.