Home / 8,121-17,700

Finding the Third Proportional to 8,121 and 17,700

Calculator

Solution

The third proportional to 8,121 and 17,700 is: 38,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121 : 17,700 = 17,700 : x
  2. Step 2: Convert to fraction form
    8,121/17,700 = 17,700/x
  3. Step 3: Cross multiply
    8,121x = 17,700 × 17,700
  4. Step 4: Simplify right side
    8,121x = 313,290,000
  5. Step 5: Solve for x
    x = 313,290,000/8,121
  6. Step 6: Final answer
    x = 38,577.76

Related Problems

Find third proportional to 4,060.50 and 8,850
Half scale
Find third proportional to 16,242 and 35,400
Double scale
Find third proportional to 8,123 and 17,704
Similar ratio
Find third proportional to 12,181.50 and 26,550
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.