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Finding the Third Proportional to 816.25 and 1,733.38

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Solution

The third proportional to 816.25 and 1,733.38 is: 3,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    816.25 : 1,733.38 = 1,733.38 : x
  2. Step 2: Convert to fraction form
    816.25/1,733.38 = 1,733.38/x
  3. Step 3: Cross multiply
    816.25x = 1,733.38 × 1,733.38
  4. Step 4: Simplify right side
    816.25x = 3,004,588.89
  5. Step 5: Solve for x
    x = 3,004,588.89/816.25
  6. Step 6: Final answer
    x = 3,680.97

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.