Home / 158,979-222,825

Finding the Third Proportional to 158,979 and 222,825

Calculator

Solution

The third proportional to 158,979 and 222,825 is: 312,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,979 : 222,825 = 222,825 : x
  2. Step 2: Convert to fraction form
    158,979/222,825 = 222,825/x
  3. Step 3: Cross multiply
    158,979x = 222,825 × 222,825
  4. Step 4: Simplify right side
    158,979x = 49,650,980,625
  5. Step 5: Solve for x
    x = 49,650,980,625/158,979
  6. Step 6: Final answer
    x = 312,311.57

Related Problems

Find third proportional to 79,489.50 and 111,412.50
Half scale
Find third proportional to 317,958 and 445,650
Double scale
Find third proportional to 158,981 and 222,828
Similar ratio
Find third proportional to 238,468.50 and 334,237.50
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.