Home / 201,923-311,308

Finding the Third Proportional to 201,923 and 311,308

Calculator

Solution

The third proportional to 201,923 and 311,308 is: 479,948.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,923 : 311,308 = 311,308 : x
  2. Step 2: Convert to fraction form
    201,923/311,308 = 311,308/x
  3. Step 3: Cross multiply
    201,923x = 311,308 × 311,308
  4. Step 4: Simplify right side
    201,923x = 96,912,670,864
  5. Step 5: Solve for x
    x = 96,912,670,864/201,923
  6. Step 6: Final answer
    x = 479,948.65

Related Problems

Find third proportional to 100,961.50 and 155,654
Half scale
Find third proportional to 403,846 and 622,616
Double scale
Find third proportional to 201,925 and 311,311
Similar ratio
Find third proportional to 302,884.50 and 466,962
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.