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Finding the Third Proportional to 350.58 and 558.14

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Solution

The third proportional to 350.58 and 558.14 is: 888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.58 : 558.14 = 558.14 : x
  2. Step 2: Convert to fraction form
    350.58/558.14 = 558.14/x
  3. Step 3: Cross multiply
    350.58x = 558.14 × 558.14
  4. Step 4: Simplify right side
    350.58x = 311,520.96
  5. Step 5: Solve for x
    x = 311,520.96/350.58
  6. Step 6: Final answer
    x = 888.59

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.