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Finding the Third Proportional to 263.06 and 558.19

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Solution

The third proportional to 263.06 and 558.19 is: 1,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.06 : 558.19 = 558.19 : x
  2. Step 2: Convert to fraction form
    263.06/558.19 = 558.19/x
  3. Step 3: Cross multiply
    263.06x = 558.19 × 558.19
  4. Step 4: Simplify right side
    263.06x = 311,573.29
  5. Step 5: Solve for x
    x = 311,573.29/263.06
  6. Step 6: Final answer
    x = 1,184.41

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.