Home / 155,804-338,905

Finding the Third Proportional to 155,804 and 338,905

Calculator

Solution

The third proportional to 155,804 and 338,905 is: 737,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,804 : 338,905 = 338,905 : x
  2. Step 2: Convert to fraction form
    155,804/338,905 = 338,905/x
  3. Step 3: Cross multiply
    155,804x = 338,905 × 338,905
  4. Step 4: Simplify right side
    155,804x = 114,856,599,025
  5. Step 5: Solve for x
    x = 114,856,599,025/155,804
  6. Step 6: Final answer
    x = 737,186.46

Related Problems

Find third proportional to 77,902 and 169,452.50
Half scale
Find third proportional to 311,608 and 677,810
Double scale
Find third proportional to 155,806 and 338,909
Similar ratio
Find third proportional to 233,706 and 508,357.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.