Home / 51,756-80,170

Finding the Third Proportional to 51,756 and 80,170

Calculator

Solution

The third proportional to 51,756 and 80,170 is: 124,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,756 : 80,170 = 80,170 : x
  2. Step 2: Convert to fraction form
    51,756/80,170 = 80,170/x
  3. Step 3: Cross multiply
    51,756x = 80,170 × 80,170
  4. Step 4: Simplify right side
    51,756x = 6,427,228,900
  5. Step 5: Solve for x
    x = 6,427,228,900/51,756
  6. Step 6: Final answer
    x = 124,183.26

Related Problems

Find third proportional to 25,878 and 40,085
Half scale
Find third proportional to 103,512 and 160,340
Double scale
Find third proportional to 51,758 and 80,173
Similar ratio
Find third proportional to 77,634 and 120,255
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.