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Finding the Third Proportional to 350.58 and 768.23

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Solution

The third proportional to 350.58 and 768.23 is: 1,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.58 : 768.23 = 768.23 : x
  2. Step 2: Convert to fraction form
    350.58/768.23 = 768.23/x
  3. Step 3: Cross multiply
    350.58x = 768.23 × 768.23
  4. Step 4: Simplify right side
    350.58x = 590,184.05
  5. Step 5: Solve for x
    x = 590,184.05/350.58
  6. Step 6: Final answer
    x = 1,683.46

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.