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Finding the Third Proportional to 20,999 and 44,410

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Solution

The third proportional to 20,999 and 44,410 is: 93,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,999 : 44,410 = 44,410 : x
  2. Step 2: Convert to fraction form
    20,999/44,410 = 44,410/x
  3. Step 3: Cross multiply
    20,999x = 44,410 × 44,410
  4. Step 4: Simplify right side
    20,999x = 1,972,248,100
  5. Step 5: Solve for x
    x = 1,972,248,100/20,999
  6. Step 6: Final answer
    x = 93,921.05

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.