Home / 71,331-151,878

Finding the Third Proportional to 71,331 and 151,878

Calculator

Solution

The third proportional to 71,331 and 151,878 is: 323,378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,331 : 151,878 = 151,878 : x
  2. Step 2: Convert to fraction form
    71,331/151,878 = 151,878/x
  3. Step 3: Cross multiply
    71,331x = 151,878 × 151,878
  4. Step 4: Simplify right side
    71,331x = 23,066,926,884
  5. Step 5: Solve for x
    x = 23,066,926,884/71,331
  6. Step 6: Final answer
    x = 323,378.71

Related Problems

Find third proportional to 35,665.50 and 75,939
Half scale
Find third proportional to 142,662 and 303,756
Double scale
Find third proportional to 71,333 and 151,882
Similar ratio
Find third proportional to 106,996.50 and 227,817
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.