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Finding the Third Proportional to 827.63 and 1,628.25

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Solution

The third proportional to 827.63 and 1,628.25 is: 3,203.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    827.63 : 1,628.25 = 1,628.25 : x
  2. Step 2: Convert to fraction form
    827.63/1,628.25 = 1,628.25/x
  3. Step 3: Cross multiply
    827.63x = 1,628.25 × 1,628.25
  4. Step 4: Simplify right side
    827.63x = 2,651,198.06
  5. Step 5: Solve for x
    x = 2,651,198.06/827.63
  6. Step 6: Final answer
    x = 3,203.38

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.