Home / 149,205,959-321,086,743

Finding the Third Proportional to 149,205,959 and 321,086,743

Calculator

Solution

The third proportional to 149,205,959 and 321,086,743 is: 690,969,028.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,205,959 : 321,086,743 = 321,086,743 : x
  2. Step 2: Convert to fraction form
    149,205,959/321,086,743 = 321,086,743/x
  3. Step 3: Cross multiply
    149,205,959x = 321,086,743 × 321,086,743
  4. Step 4: Simplify right side
    149,205,959x = 103,096,696,530,348,048
  5. Step 5: Solve for x
    x = 103,096,696,530,348,048/149,205,959
  6. Step 6: Final answer
    x = 690,969,028.46

Related Problems

Find third proportional to 74,602,979.50 and 160,543,371.50
Half scale
Find third proportional to 298,411,918 and 642,173,486
Double scale
Find third proportional to 149,205,961 and 321,086,747
Similar ratio
Find third proportional to 223,808,938.50 and 481,630,114.50
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.