Home / 427,181-909,578

Finding the Third Proportional to 427,181 and 909,578

Calculator

Solution

The third proportional to 427,181 and 909,578 is: 1,936,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,181 : 909,578 = 909,578 : x
  2. Step 2: Convert to fraction form
    427,181/909,578 = 909,578/x
  3. Step 3: Cross multiply
    427,181x = 909,578 × 909,578
  4. Step 4: Simplify right side
    427,181x = 827,332,138,084
  5. Step 5: Solve for x
    x = 827,332,138,084/427,181
  6. Step 6: Final answer
    x = 1,936,725.04

Related Problems

Find third proportional to 213,590.50 and 454,789
Half scale
Find third proportional to 854,362 and 1,819,156
Double scale
Find third proportional to 427,183 and 909,582
Similar ratio
Find third proportional to 640,771.50 and 1,364,367
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.