Home / 202,181-431,336

Finding the Third Proportional to 202,181 and 431,336

Calculator

Solution

The third proportional to 202,181 and 431,336 is: 920,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,181 : 431,336 = 431,336 : x
  2. Step 2: Convert to fraction form
    202,181/431,336 = 431,336/x
  3. Step 3: Cross multiply
    202,181x = 431,336 × 431,336
  4. Step 4: Simplify right side
    202,181x = 186,050,744,896
  5. Step 5: Solve for x
    x = 186,050,744,896/202,181
  6. Step 6: Final answer
    x = 920,218.74

Related Problems

Find third proportional to 101,090.50 and 215,668
Half scale
Find third proportional to 404,362 and 862,672
Double scale
Find third proportional to 202,183 and 431,340
Similar ratio
Find third proportional to 303,271.50 and 647,004
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.