Home / 158,987-336,379

Finding the Third Proportional to 158,987 and 336,379

Calculator

Solution

The third proportional to 158,987 and 336,379 is: 711,698.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,987 : 336,379 = 336,379 : x
  2. Step 2: Convert to fraction form
    158,987/336,379 = 336,379/x
  3. Step 3: Cross multiply
    158,987x = 336,379 × 336,379
  4. Step 4: Simplify right side
    158,987x = 113,150,831,641
  5. Step 5: Solve for x
    x = 113,150,831,641/158,987
  6. Step 6: Final answer
    x = 711,698.64

Related Problems

Find third proportional to 79,493.50 and 168,189.50
Half scale
Find third proportional to 317,974 and 672,758
Double scale
Find third proportional to 158,989 and 336,383
Similar ratio
Find third proportional to 238,480.50 and 504,568.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.