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Finding the Third Proportional to 448 and 867

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Solution

The third proportional to 448 and 867 is: 1,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    448 : 867 = 867 : x
  2. Step 2: Convert to fraction form
    448/867 = 867/x
  3. Step 3: Cross multiply
    448x = 867 × 867
  4. Step 4: Simplify right side
    448x = 751,689
  5. Step 5: Solve for x
    x = 751,689/448
  6. Step 6: Final answer
    x = 1,677.88

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These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.