Home / 3,756-8,700

Finding the Third Proportional to 3,756 and 8,700

Calculator

Solution

The third proportional to 3,756 and 8,700 is: 20,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756 : 8,700 = 8,700 : x
  2. Step 2: Convert to fraction form
    3,756/8,700 = 8,700/x
  3. Step 3: Cross multiply
    3,756x = 8,700 × 8,700
  4. Step 4: Simplify right side
    3,756x = 75,690,000
  5. Step 5: Solve for x
    x = 75,690,000/3,756
  6. Step 6: Final answer
    x = 20,151.76

Related Problems

Find third proportional to 1,878 and 4,350
Half scale
Find third proportional to 7,512 and 17,400
Double scale
Find third proportional to 3,758 and 8,705
Similar ratio
Find third proportional to 5,634 and 13,050
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.