Home / 8,074-12,315

Finding the Third Proportional to 8,074 and 12,315

Calculator

Solution

The third proportional to 8,074 and 12,315 is: 18,783.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074 : 12,315 = 12,315 : x
  2. Step 2: Convert to fraction form
    8,074/12,315 = 12,315/x
  3. Step 3: Cross multiply
    8,074x = 12,315 × 12,315
  4. Step 4: Simplify right side
    8,074x = 151,659,225
  5. Step 5: Solve for x
    x = 151,659,225/8,074
  6. Step 6: Final answer
    x = 18,783.65

Related Problems

Find third proportional to 4,037 and 6,157.50
Half scale
Find third proportional to 16,148 and 24,630
Double scale
Find third proportional to 8,076 and 12,318
Similar ratio
Find third proportional to 12,111 and 18,472.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.