Home / 203,880-299,820

Finding the Third Proportional to 203,880 and 299,820

Calculator

Solution

The third proportional to 203,880 and 299,820 is: 440,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,880 : 299,820 = 299,820 : x
  2. Step 2: Convert to fraction form
    203,880/299,820 = 299,820/x
  3. Step 3: Cross multiply
    203,880x = 299,820 × 299,820
  4. Step 4: Simplify right side
    203,880x = 89,892,032,400
  5. Step 5: Solve for x
    x = 89,892,032,400/203,880
  6. Step 6: Final answer
    x = 440,906.57

Related Problems

Find third proportional to 101,940 and 149,910
Half scale
Find third proportional to 407,760 and 599,640
Double scale
Find third proportional to 203,882 and 299,823
Similar ratio
Find third proportional to 305,820 and 449,730
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.