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Finding the Third Proportional to 4,455 and 9,506.74

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Solution

The third proportional to 4,455 and 9,506.74 is: 20,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455 : 9,506.74 = 9,506.74 : x
  2. Step 2: Convert to fraction form
    4,455/9,506.74 = 9,506.74/x
  3. Step 3: Cross multiply
    4,455x = 9,506.74 × 9,506.74
  4. Step 4: Simplify right side
    4,455x = 90,378,147.02
  5. Step 5: Solve for x
    x = 90,378,147.02/4,455
  6. Step 6: Final answer
    x = 20,286.90

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.