Home / 130,338-198,019

Finding the Third Proportional to 130,338 and 198,019

Calculator

Solution

The third proportional to 130,338 and 198,019 is: 300,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,338 : 198,019 = 198,019 : x
  2. Step 2: Convert to fraction form
    130,338/198,019 = 198,019/x
  3. Step 3: Cross multiply
    130,338x = 198,019 × 198,019
  4. Step 4: Simplify right side
    130,338x = 39,211,524,361
  5. Step 5: Solve for x
    x = 39,211,524,361/130,338
  6. Step 6: Final answer
    x = 300,844.91

Related Problems

Find third proportional to 65,169 and 99,009.50
Half scale
Find third proportional to 260,676 and 396,038
Double scale
Find third proportional to 130,340 and 198,022
Similar ratio
Find third proportional to 195,507 and 297,028.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.