Home / 179,872-388,558

Finding the Third Proportional to 179,872 and 388,558

Calculator

Solution

The third proportional to 179,872 and 388,558 is: 839,359.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,872 : 388,558 = 388,558 : x
  2. Step 2: Convert to fraction form
    179,872/388,558 = 388,558/x
  3. Step 3: Cross multiply
    179,872x = 388,558 × 388,558
  4. Step 4: Simplify right side
    179,872x = 150,977,319,364
  5. Step 5: Solve for x
    x = 150,977,319,364/179,872
  6. Step 6: Final answer
    x = 839,359.76

Related Problems

Find third proportional to 89,936 and 194,279
Half scale
Find third proportional to 359,744 and 777,116
Double scale
Find third proportional to 179,874 and 388,562
Similar ratio
Find third proportional to 269,808 and 582,837
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.