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Finding the Third Proportional to 815.44 and 1,923.38

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Solution

The third proportional to 815.44 and 1,923.38 is: 4,536.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    815.44 : 1,923.38 = 1,923.38 : x
  2. Step 2: Convert to fraction form
    815.44/1,923.38 = 1,923.38/x
  3. Step 3: Cross multiply
    815.44x = 1,923.38 × 1,923.38
  4. Step 4: Simplify right side
    815.44x = 3,699,371.39
  5. Step 5: Solve for x
    x = 3,699,371.39/815.44
  6. Step 6: Final answer
    x = 4,536.67

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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.