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Finding the Third Proportional to 20,912 and 46,036

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Solution

The third proportional to 20,912 and 46,036 is: 101,344.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,912 : 46,036 = 46,036 : x
  2. Step 2: Convert to fraction form
    20,912/46,036 = 46,036/x
  3. Step 3: Cross multiply
    20,912x = 46,036 × 46,036
  4. Step 4: Simplify right side
    20,912x = 2,119,313,296
  5. Step 5: Solve for x
    x = 2,119,313,296/20,912
  6. Step 6: Final answer
    x = 101,344.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.