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Finding the Third Proportional to 2,763 and 6,378.50

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Solution

The third proportional to 2,763 and 6,378.50 is: 14,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763 : 6,378.50 = 6,378.50 : x
  2. Step 2: Convert to fraction form
    2,763/6,378.50 = 6,378.50/x
  3. Step 3: Cross multiply
    2,763x = 6,378.50 × 6,378.50
  4. Step 4: Simplify right side
    2,763x = 40,685,262.25
  5. Step 5: Solve for x
    x = 40,685,262.25/2,763
  6. Step 6: Final answer
    x = 14,725.03

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.