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Finding the Third Proportional to 423.56 and 966.09

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Solution

The third proportional to 423.56 and 966.09 is: 2,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.56 : 966.09 = 966.09 : x
  2. Step 2: Convert to fraction form
    423.56/966.09 = 966.09/x
  3. Step 3: Cross multiply
    423.56x = 966.09 × 966.09
  4. Step 4: Simplify right side
    423.56x = 933,337.13
  5. Step 5: Solve for x
    x = 933,337.13/423.56
  6. Step 6: Final answer
    x = 2,203.54

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.