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Finding the Third Proportional to 1,063 and 2,765.50

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Solution

The third proportional to 1,063 and 2,765.50 is: 7,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063 : 2,765.50 = 2,765.50 : x
  2. Step 2: Convert to fraction form
    1,063/2,765.50 = 2,765.50/x
  3. Step 3: Cross multiply
    1,063x = 2,765.50 × 2,765.50
  4. Step 4: Simplify right side
    1,063x = 7,647,990.25
  5. Step 5: Solve for x
    x = 7,647,990.25/1,063
  6. Step 6: Final answer
    x = 7,194.72

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Why These Related Problems?

These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.