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Finding the Third Proportional to 2,217.38 and 3,433.64

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Solution

The third proportional to 2,217.38 and 3,433.64 is: 5,317.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.38 : 3,433.64 = 3,433.64 : x
  2. Step 2: Convert to fraction form
    2,217.38/3,433.64 = 3,433.64/x
  3. Step 3: Cross multiply
    2,217.38x = 3,433.64 × 3,433.64
  4. Step 4: Simplify right side
    2,217.38x = 11,789,887.94
  5. Step 5: Solve for x
    x = 11,789,887.94/2,217.38
  6. Step 6: Final answer
    x = 5,317.05

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.