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Finding the Third Proportional to 940.88 and 1,542.75

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Solution

The third proportional to 940.88 and 1,542.75 is: 2,529.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    940.88 : 1,542.75 = 1,542.75 : x
  2. Step 2: Convert to fraction form
    940.88/1,542.75 = 1,542.75/x
  3. Step 3: Cross multiply
    940.88x = 1,542.75 × 1,542.75
  4. Step 4: Simplify right side
    940.88x = 2,380,077.56
  5. Step 5: Solve for x
    x = 2,380,077.56/940.88
  6. Step 6: Final answer
    x = 2,529.64

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.