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Finding the Third Proportional to 966.63 and 2,105.75

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Solution

The third proportional to 966.63 and 2,105.75 is: 4,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.63 : 2,105.75 = 2,105.75 : x
  2. Step 2: Convert to fraction form
    966.63/2,105.75 = 2,105.75/x
  3. Step 3: Cross multiply
    966.63x = 2,105.75 × 2,105.75
  4. Step 4: Simplify right side
    966.63x = 4,434,183.06
  5. Step 5: Solve for x
    x = 4,434,183.06/966.63
  6. Step 6: Final answer
    x = 4,587.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.