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Finding the Third Proportional to 2,561.63 and 2,922.75

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Solution

The third proportional to 2,561.63 and 2,922.75 is: 3,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561.63 : 2,922.75 = 2,922.75 : x
  2. Step 2: Convert to fraction form
    2,561.63/2,922.75 = 2,922.75/x
  3. Step 3: Cross multiply
    2,561.63x = 2,922.75 × 2,922.75
  4. Step 4: Simplify right side
    2,561.63x = 8,542,467.56
  5. Step 5: Solve for x
    x = 8,542,467.56/2,561.63
  6. Step 6: Final answer
    x = 3,334.78

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.