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Finding the Third Proportional to 344.88 and 757.75

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Solution

The third proportional to 344.88 and 757.75 is: 1,664.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.88 : 757.75 = 757.75 : x
  2. Step 2: Convert to fraction form
    344.88/757.75 = 757.75/x
  3. Step 3: Cross multiply
    344.88x = 757.75 × 757.75
  4. Step 4: Simplify right side
    344.88x = 574,185.06
  5. Step 5: Solve for x
    x = 574,185.06/344.88
  6. Step 6: Final answer
    x = 1,664.91

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.