Home / 445,112-989,734

Finding the Third Proportional to 445,112 and 989,734

Calculator

Solution

The third proportional to 445,112 and 989,734 is: 2,200,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,112 : 989,734 = 989,734 : x
  2. Step 2: Convert to fraction form
    445,112/989,734 = 989,734/x
  3. Step 3: Cross multiply
    445,112x = 989,734 × 989,734
  4. Step 4: Simplify right side
    445,112x = 979,573,390,756
  5. Step 5: Solve for x
    x = 979,573,390,756/445,112
  6. Step 6: Final answer
    x = 2,200,734.63

Related Problems

Find third proportional to 222,556 and 494,867
Half scale
Find third proportional to 890,224 and 1,979,468
Double scale
Find third proportional to 445,114 and 989,738
Similar ratio
Find third proportional to 667,668 and 1,484,601
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.