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Finding the Third Proportional to 4,763 and 5,555

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Solution

The third proportional to 4,763 and 5,555 is: 6,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763 : 5,555 = 5,555 : x
  2. Step 2: Convert to fraction form
    4,763/5,555 = 5,555/x
  3. Step 3: Cross multiply
    4,763x = 5,555 × 5,555
  4. Step 4: Simplify right side
    4,763x = 30,858,025
  5. Step 5: Solve for x
    x = 30,858,025/4,763
  6. Step 6: Final answer
    x = 6,478.70

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.