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Finding the Third Proportional to 888.38 and 2,100.75

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Solution

The third proportional to 888.38 and 2,100.75 is: 4,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.38 : 2,100.75 = 2,100.75 : x
  2. Step 2: Convert to fraction form
    888.38/2,100.75 = 2,100.75/x
  3. Step 3: Cross multiply
    888.38x = 2,100.75 × 2,100.75
  4. Step 4: Simplify right side
    888.38x = 4,413,150.56
  5. Step 5: Solve for x
    x = 4,413,150.56/888.38
  6. Step 6: Final answer
    x = 4,967.67

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.