Home / 189,182-282,131

Finding the Third Proportional to 189,182 and 282,131

Calculator

Solution

The third proportional to 189,182 and 282,131 is: 420,747.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,182 : 282,131 = 282,131 : x
  2. Step 2: Convert to fraction form
    189,182/282,131 = 282,131/x
  3. Step 3: Cross multiply
    189,182x = 282,131 × 282,131
  4. Step 4: Simplify right side
    189,182x = 79,597,901,161
  5. Step 5: Solve for x
    x = 79,597,901,161/189,182
  6. Step 6: Final answer
    x = 420,747.75

Related Problems

Find third proportional to 94,591 and 141,065.50
Half scale
Find third proportional to 378,364 and 564,262
Double scale
Find third proportional to 189,184 and 282,134
Similar ratio
Find third proportional to 283,773 and 423,196.50
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.