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Finding the Third Proportional to 467 and 777

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Solution

The third proportional to 467 and 777 is: 1,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    467 : 777 = 777 : x
  2. Step 2: Convert to fraction form
    467/777 = 777/x
  3. Step 3: Cross multiply
    467x = 777 × 777
  4. Step 4: Simplify right side
    467x = 603,729
  5. Step 5: Solve for x
    x = 603,729/467
  6. Step 6: Final answer
    x = 1,292.78

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.