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Finding the Third Proportional to 9,936 and 20,893.50

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Solution

The third proportional to 9,936 and 20,893.50 is: 43,935.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936 : 20,893.50 = 20,893.50 : x
  2. Step 2: Convert to fraction form
    9,936/20,893.50 = 20,893.50/x
  3. Step 3: Cross multiply
    9,936x = 20,893.50 × 20,893.50
  4. Step 4: Simplify right side
    9,936x = 436,538,342.25
  5. Step 5: Solve for x
    x = 436,538,342.25/9,936
  6. Step 6: Final answer
    x = 43,935.02

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.