Home / 300,858-660,756

Finding the Third Proportional to 300,858 and 660,756

Calculator

Solution

The third proportional to 300,858 and 660,756 is: 1,451,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,858 : 660,756 = 660,756 : x
  2. Step 2: Convert to fraction form
    300,858/660,756 = 660,756/x
  3. Step 3: Cross multiply
    300,858x = 660,756 × 660,756
  4. Step 4: Simplify right side
    300,858x = 436,598,491,536
  5. Step 5: Solve for x
    x = 436,598,491,536/300,858
  6. Step 6: Final answer
    x = 1,451,177.94

Related Problems

Find third proportional to 150,429 and 330,378
Half scale
Find third proportional to 601,716 and 1,321,512
Double scale
Find third proportional to 300,860 and 660,760
Similar ratio
Find third proportional to 451,287 and 991,134
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.