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Finding the Third Proportional to 789.75 and 1,675.88

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Solution

The third proportional to 789.75 and 1,675.88 is: 3,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    789.75 : 1,675.88 = 1,675.88 : x
  2. Step 2: Convert to fraction form
    789.75/1,675.88 = 1,675.88/x
  3. Step 3: Cross multiply
    789.75x = 1,675.88 × 1,675.88
  4. Step 4: Simplify right side
    789.75x = 2,808,557.02
  5. Step 5: Solve for x
    x = 2,808,557.02/789.75
  6. Step 6: Final answer
    x = 3,556.26

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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.