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Finding the Third Proportional to 99,933 and 212,814

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Solution

The third proportional to 99,933 and 212,814 is: 453,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,933 : 212,814 = 212,814 : x
  2. Step 2: Convert to fraction form
    99,933/212,814 = 212,814/x
  3. Step 3: Cross multiply
    99,933x = 212,814 × 212,814
  4. Step 4: Simplify right side
    99,933x = 45,289,798,596
  5. Step 5: Solve for x
    x = 45,289,798,596/99,933
  6. Step 6: Final answer
    x = 453,201.63

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.