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Finding the Third Proportional to 45,760 and 68,763

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Solution

The third proportional to 45,760 and 68,763 is: 103,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,760 : 68,763 = 68,763 : x
  2. Step 2: Convert to fraction form
    45,760/68,763 = 68,763/x
  3. Step 3: Cross multiply
    45,760x = 68,763 × 68,763
  4. Step 4: Simplify right side
    45,760x = 4,728,350,169
  5. Step 5: Solve for x
    x = 4,728,350,169/45,760
  6. Step 6: Final answer
    x = 103,329.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.