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Finding the Third Proportional to 483.25 and 775.88

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Solution

The third proportional to 483.25 and 775.88 is: 1,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.25 : 775.88 = 775.88 : x
  2. Step 2: Convert to fraction form
    483.25/775.88 = 775.88/x
  3. Step 3: Cross multiply
    483.25x = 775.88 × 775.88
  4. Step 4: Simplify right side
    483.25x = 601,982.02
  5. Step 5: Solve for x
    x = 601,982.02/483.25
  6. Step 6: Final answer
    x = 1,245.69

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.