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Finding the Third Proportional to 2,074.75 and 3,105.75

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Solution

The third proportional to 2,074.75 and 3,105.75 is: 4,649.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.75 : 3,105.75 = 3,105.75 : x
  2. Step 2: Convert to fraction form
    2,074.75/3,105.75 = 3,105.75/x
  3. Step 3: Cross multiply
    2,074.75x = 3,105.75 × 3,105.75
  4. Step 4: Simplify right side
    2,074.75x = 9,645,683.06
  5. Step 5: Solve for x
    x = 9,645,683.06/2,074.75
  6. Step 6: Final answer
    x = 4,649.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.