Home / 200,518-431,167

Finding the Third Proportional to 200,518 and 431,167

Calculator

Solution

The third proportional to 200,518 and 431,167 is: 927,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,518 : 431,167 = 431,167 : x
  2. Step 2: Convert to fraction form
    200,518/431,167 = 431,167/x
  3. Step 3: Cross multiply
    200,518x = 431,167 × 431,167
  4. Step 4: Simplify right side
    200,518x = 185,904,981,889
  5. Step 5: Solve for x
    x = 185,904,981,889/200,518
  6. Step 6: Final answer
    x = 927,123.66

Related Problems

Find third proportional to 100,259 and 215,583.50
Half scale
Find third proportional to 401,036 and 862,334
Double scale
Find third proportional to 200,520 and 431,171
Similar ratio
Find third proportional to 300,777 and 646,750.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.