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Finding the Third Proportional to 827.25 and 1,915.13

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Solution

The third proportional to 827.25 and 1,915.13 is: 4,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    827.25 : 1,915.13 = 1,915.13 : x
  2. Step 2: Convert to fraction form
    827.25/1,915.13 = 1,915.13/x
  3. Step 3: Cross multiply
    827.25x = 1,915.13 × 1,915.13
  4. Step 4: Simplify right side
    827.25x = 3,667,703.77
  5. Step 5: Solve for x
    x = 3,667,703.77/827.25
  6. Step 6: Final answer
    x = 4,433.61

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.