Home / 211,923-317,884

Finding the Third Proportional to 211,923 and 317,884

Calculator

Solution

The third proportional to 211,923 and 317,884 is: 476,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,923 : 317,884 = 317,884 : x
  2. Step 2: Convert to fraction form
    211,923/317,884 = 317,884/x
  3. Step 3: Cross multiply
    211,923x = 317,884 × 317,884
  4. Step 4: Simplify right side
    211,923x = 101,050,237,456
  5. Step 5: Solve for x
    x = 101,050,237,456/211,923
  6. Step 6: Final answer
    x = 476,825.25

Related Problems

Find third proportional to 105,961.50 and 158,942
Half scale
Find third proportional to 423,846 and 635,768
Double scale
Find third proportional to 211,925 and 317,887
Similar ratio
Find third proportional to 317,884.50 and 476,826
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.