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Finding the Third Proportional to 213,493 and 459,974

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Solution

The third proportional to 213,493 and 459,974 is: 991,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,493 : 459,974 = 459,974 : x
  2. Step 2: Convert to fraction form
    213,493/459,974 = 459,974/x
  3. Step 3: Cross multiply
    213,493x = 459,974 × 459,974
  4. Step 4: Simplify right side
    213,493x = 211,576,080,676
  5. Step 5: Solve for x
    x = 211,576,080,676/213,493
  6. Step 6: Final answer
    x = 991,021.16

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.