Home / 181,182-398,208

Finding the Third Proportional to 181,182 and 398,208

Calculator

Solution

The third proportional to 181,182 and 398,208 is: 875,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,182 : 398,208 = 398,208 : x
  2. Step 2: Convert to fraction form
    181,182/398,208 = 398,208/x
  3. Step 3: Cross multiply
    181,182x = 398,208 × 398,208
  4. Step 4: Simplify right side
    181,182x = 158,569,611,264
  5. Step 5: Solve for x
    x = 158,569,611,264/181,182
  6. Step 6: Final answer
    x = 875,195.17

Related Problems

Find third proportional to 90,591 and 199,104
Half scale
Find third proportional to 362,364 and 796,416
Double scale
Find third proportional to 181,184 and 398,212
Similar ratio
Find third proportional to 271,773 and 597,312
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.