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Finding the Third Proportional to 3,121.03 and 4,567.64

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Solution

The third proportional to 3,121.03 and 4,567.64 is: 6,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121.03 : 4,567.64 = 4,567.64 : x
  2. Step 2: Convert to fraction form
    3,121.03/4,567.64 = 4,567.64/x
  3. Step 3: Cross multiply
    3,121.03x = 4,567.64 × 4,567.64
  4. Step 4: Simplify right side
    3,121.03x = 20,863,340.88
  5. Step 5: Solve for x
    x = 20,863,340.88/3,121.03
  6. Step 6: Final answer
    x = 6,684.76

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.