Home / 231,331,690-308,407,838

Finding the Third Proportional to 231,331,690 and 308,407,838

Calculator

Solution

The third proportional to 231,331,690 and 308,407,838 is: 411,164,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,331,690 : 308,407,838 = 308,407,838 : x
  2. Step 2: Convert to fraction form
    231,331,690/308,407,838 = 308,407,838/x
  3. Step 3: Cross multiply
    231,331,690x = 308,407,838 × 308,407,838
  4. Step 4: Simplify right side
    231,331,690x = 95,115,394,539,834,240
  5. Step 5: Solve for x
    x = 95,115,394,539,834,240/231,331,690
  6. Step 6: Final answer
    x = 411,164,568.68

Related Problems

Find third proportional to 115,665,845 and 154,203,919
Half scale
Find third proportional to 462,663,380 and 616,815,676
Double scale
Find third proportional to 231,331,692 and 308,407,841
Similar ratio
Find third proportional to 346,997,535 and 462,611,757
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.