Home / 311,290-468,191

Finding the Third Proportional to 311,290 and 468,191

Calculator

Solution

The third proportional to 311,290 and 468,191 is: 704,175.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,290 : 468,191 = 468,191 : x
  2. Step 2: Convert to fraction form
    311,290/468,191 = 468,191/x
  3. Step 3: Cross multiply
    311,290x = 468,191 × 468,191
  4. Step 4: Simplify right side
    311,290x = 219,202,812,481
  5. Step 5: Solve for x
    x = 219,202,812,481/311,290
  6. Step 6: Final answer
    x = 704,175.57

Related Problems

Find third proportional to 155,645 and 234,095.50
Half scale
Find third proportional to 622,580 and 936,382
Double scale
Find third proportional to 311,292 and 468,194
Similar ratio
Find third proportional to 466,935 and 702,286.50
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.