Home / 189,178-282,126

Finding the Third Proportional to 189,178 and 282,126

Calculator

Solution

The third proportional to 189,178 and 282,126 is: 420,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,178 : 282,126 = 282,126 : x
  2. Step 2: Convert to fraction form
    189,178/282,126 = 282,126/x
  3. Step 3: Cross multiply
    189,178x = 282,126 × 282,126
  4. Step 4: Simplify right side
    189,178x = 79,595,079,876
  5. Step 5: Solve for x
    x = 79,595,079,876/189,178
  6. Step 6: Final answer
    x = 420,741.73

Related Problems

Find third proportional to 94,589 and 141,063
Half scale
Find third proportional to 378,356 and 564,252
Double scale
Find third proportional to 189,180 and 282,129
Similar ratio
Find third proportional to 283,767 and 423,189
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.