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Finding the Third Proportional to 20,893.50 and 45,933

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Solution

The third proportional to 20,893.50 and 45,933 is: 100,980.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893.50 : 45,933 = 45,933 : x
  2. Step 2: Convert to fraction form
    20,893.50/45,933 = 45,933/x
  3. Step 3: Cross multiply
    20,893.50x = 45,933 × 45,933
  4. Step 4: Simplify right side
    20,893.50x = 2,109,840,489
  5. Step 5: Solve for x
    x = 2,109,840,489/20,893.50
  6. Step 6: Final answer
    x = 100,980.71

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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.