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Finding the Third Proportional to 879.75 and 933.75

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Solution

The third proportional to 879.75 and 933.75 is: 991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    879.75 : 933.75 = 933.75 : x
  2. Step 2: Convert to fraction form
    879.75/933.75 = 933.75/x
  3. Step 3: Cross multiply
    879.75x = 933.75 × 933.75
  4. Step 4: Simplify right side
    879.75x = 871,889.06
  5. Step 5: Solve for x
    x = 871,889.06/879.75
  6. Step 6: Final answer
    x = 991.06

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Why These Related Problems?

These problems maintain the same ratio (1.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.