Home / 456,904-990,079

Finding the Third Proportional to 456,904 and 990,079

Calculator

Solution

The third proportional to 456,904 and 990,079 is: 2,145,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,904 : 990,079 = 990,079 : x
  2. Step 2: Convert to fraction form
    456,904/990,079 = 990,079/x
  3. Step 3: Cross multiply
    456,904x = 990,079 × 990,079
  4. Step 4: Simplify right side
    456,904x = 980,256,426,241
  5. Step 5: Solve for x
    x = 980,256,426,241/456,904
  6. Step 6: Final answer
    x = 2,145,431.92

Related Problems

Find third proportional to 228,452 and 495,039.50
Half scale
Find third proportional to 913,808 and 1,980,158
Double scale
Find third proportional to 456,906 and 990,083
Similar ratio
Find third proportional to 685,356 and 1,485,118.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.