Home / 133,079-199,619

Finding the Third Proportional to 133,079 and 199,619

Calculator

Solution

The third proportional to 133,079 and 199,619 is: 299,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,079 : 199,619 = 199,619 : x
  2. Step 2: Convert to fraction form
    133,079/199,619 = 199,619/x
  3. Step 3: Cross multiply
    133,079x = 199,619 × 199,619
  4. Step 4: Simplify right side
    133,079x = 39,847,745,161
  5. Step 5: Solve for x
    x = 39,847,745,161/133,079
  6. Step 6: Final answer
    x = 299,429.25

Related Problems

Find third proportional to 66,539.50 and 99,809.50
Half scale
Find third proportional to 266,158 and 399,238
Double scale
Find third proportional to 133,081 and 199,622
Similar ratio
Find third proportional to 199,618.50 and 299,428.50
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.