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Finding the Third Proportional to 3,920.63 and 5,922

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Solution

The third proportional to 3,920.63 and 5,922 is: 8,945.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.63 : 5,922 = 5,922 : x
  2. Step 2: Convert to fraction form
    3,920.63/5,922 = 5,922/x
  3. Step 3: Cross multiply
    3,920.63x = 5,922 × 5,922
  4. Step 4: Simplify right side
    3,920.63x = 35,070,084
  5. Step 5: Solve for x
    x = 35,070,084/3,920.63
  6. Step 6: Final answer
    x = 8,945.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.