Home / 189,408-408,336

Finding the Third Proportional to 189,408 and 408,336

Calculator

Solution

The third proportional to 189,408 and 408,336 is: 880,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,408 : 408,336 = 408,336 : x
  2. Step 2: Convert to fraction form
    189,408/408,336 = 408,336/x
  3. Step 3: Cross multiply
    189,408x = 408,336 × 408,336
  4. Step 4: Simplify right side
    189,408x = 166,738,288,896
  5. Step 5: Solve for x
    x = 166,738,288,896/189,408
  6. Step 6: Final answer
    x = 880,312.81

Related Problems

Find third proportional to 94,704 and 204,168
Half scale
Find third proportional to 378,816 and 816,672
Double scale
Find third proportional to 189,410 and 408,340
Similar ratio
Find third proportional to 284,112 and 612,504
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.