Home / 133,644-199,809

Finding the Third Proportional to 133,644 and 199,809

Calculator

Solution

The third proportional to 133,644 and 199,809 is: 298,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,644 : 199,809 = 199,809 : x
  2. Step 2: Convert to fraction form
    133,644/199,809 = 199,809/x
  3. Step 3: Cross multiply
    133,644x = 199,809 × 199,809
  4. Step 4: Simplify right side
    133,644x = 39,923,636,481
  5. Step 5: Solve for x
    x = 39,923,636,481/133,644
  6. Step 6: Final answer
    x = 298,731.23

Related Problems

Find third proportional to 66,822 and 99,904.50
Half scale
Find third proportional to 267,288 and 399,618
Double scale
Find third proportional to 133,646 and 199,812
Similar ratio
Find third proportional to 200,466 and 299,713.50
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.