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Finding the Third Proportional to 450.94 and 676.50

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Solution

The third proportional to 450.94 and 676.50 is: 1,014.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.94 : 676.50 = 676.50 : x
  2. Step 2: Convert to fraction form
    450.94/676.50 = 676.50/x
  3. Step 3: Cross multiply
    450.94x = 676.50 × 676.50
  4. Step 4: Simplify right side
    450.94x = 457,652.25
  5. Step 5: Solve for x
    x = 457,652.25/450.94
  6. Step 6: Final answer
    x = 1,014.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.