Home / 71,986-157,074

Finding the Third Proportional to 71,986 and 157,074

Calculator

Solution

The third proportional to 71,986 and 157,074 is: 342,736.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,986 : 157,074 = 157,074 : x
  2. Step 2: Convert to fraction form
    71,986/157,074 = 157,074/x
  3. Step 3: Cross multiply
    71,986x = 157,074 × 157,074
  4. Step 4: Simplify right side
    71,986x = 24,672,241,476
  5. Step 5: Solve for x
    x = 24,672,241,476/71,986
  6. Step 6: Final answer
    x = 342,736.66

Related Problems

Find third proportional to 35,993 and 78,537
Half scale
Find third proportional to 143,972 and 314,148
Double scale
Find third proportional to 71,988 and 157,078
Similar ratio
Find third proportional to 107,979 and 235,611
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.