Home / 158,981-222,828

Finding the Third Proportional to 158,981 and 222,828

Calculator

Solution

The third proportional to 158,981 and 222,828 is: 312,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,981 : 222,828 = 222,828 : x
  2. Step 2: Convert to fraction form
    158,981/222,828 = 222,828/x
  3. Step 3: Cross multiply
    158,981x = 222,828 × 222,828
  4. Step 4: Simplify right side
    158,981x = 49,652,317,584
  5. Step 5: Solve for x
    x = 49,652,317,584/158,981
  6. Step 6: Final answer
    x = 312,316.05

Related Problems

Find third proportional to 79,490.50 and 111,414
Half scale
Find third proportional to 317,962 and 445,656
Double scale
Find third proportional to 158,983 and 222,831
Similar ratio
Find third proportional to 238,471.50 and 334,242
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.