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Finding the Third Proportional to 965.63 and 1,992.75

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Solution

The third proportional to 965.63 and 1,992.75 is: 4,112.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.63 : 1,992.75 = 1,992.75 : x
  2. Step 2: Convert to fraction form
    965.63/1,992.75 = 1,992.75/x
  3. Step 3: Cross multiply
    965.63x = 1,992.75 × 1,992.75
  4. Step 4: Simplify right side
    965.63x = 3,971,052.56
  5. Step 5: Solve for x
    x = 3,971,052.56/965.63
  6. Step 6: Final answer
    x = 4,112.42

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.