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Finding the Third Proportional to 1,630.97 and 3,315.09

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Solution

The third proportional to 1,630.97 and 3,315.09 is: 6,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.97 : 3,315.09 = 3,315.09 : x
  2. Step 2: Convert to fraction form
    1,630.97/3,315.09 = 3,315.09/x
  3. Step 3: Cross multiply
    1,630.97x = 3,315.09 × 3,315.09
  4. Step 4: Simplify right side
    1,630.97x = 10,989,846.57
  5. Step 5: Solve for x
    x = 10,989,846.57/1,630.97
  6. Step 6: Final answer
    x = 6,738.23

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.