Home / 422,919-634,243

Finding the Third Proportional to 422,919 and 634,243

Calculator

Solution

The third proportional to 422,919 and 634,243 is: 951,161.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,919 : 634,243 = 634,243 : x
  2. Step 2: Convert to fraction form
    422,919/634,243 = 634,243/x
  3. Step 3: Cross multiply
    422,919x = 634,243 × 634,243
  4. Step 4: Simplify right side
    422,919x = 402,264,183,049
  5. Step 5: Solve for x
    x = 402,264,183,049/422,919
  6. Step 6: Final answer
    x = 951,161.29

Related Problems

Find third proportional to 211,459.50 and 317,121.50
Half scale
Find third proportional to 845,838 and 1,268,486
Double scale
Find third proportional to 422,921 and 634,246
Similar ratio
Find third proportional to 634,378.50 and 951,364.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.