Home / 311,966-344,770

Finding the Third Proportional to 311,966 and 344,770

Calculator

Solution

The third proportional to 311,966 and 344,770 is: 381,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,966 : 344,770 = 344,770 : x
  2. Step 2: Convert to fraction form
    311,966/344,770 = 344,770/x
  3. Step 3: Cross multiply
    311,966x = 344,770 × 344,770
  4. Step 4: Simplify right side
    311,966x = 118,866,352,900
  5. Step 5: Solve for x
    x = 118,866,352,900/311,966
  6. Step 6: Final answer
    x = 381,023.42

Related Problems

Find third proportional to 155,983 and 172,385
Half scale
Find third proportional to 623,932 and 689,540
Double scale
Find third proportional to 311,968 and 344,772
Similar ratio
Find third proportional to 467,949 and 517,155
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.