Home / 3,818-8,306

Finding the Third Proportional to 3,818 and 8,306

Calculator

Solution

The third proportional to 3,818 and 8,306 is: 18,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818 : 8,306 = 8,306 : x
  2. Step 2: Convert to fraction form
    3,818/8,306 = 8,306/x
  3. Step 3: Cross multiply
    3,818x = 8,306 × 8,306
  4. Step 4: Simplify right side
    3,818x = 68,989,636
  5. Step 5: Solve for x
    x = 68,989,636/3,818
  6. Step 6: Final answer
    x = 18,069.57

Related Problems

Find third proportional to 1,909 and 4,153
Half scale
Find third proportional to 7,636 and 16,612
Double scale
Find third proportional to 3,820 and 8,310
Similar ratio
Find third proportional to 5,727 and 12,459
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.