Home / 8,000-9,440

Finding the Third Proportional to 8,000 and 9,440

Calculator

Solution

The third proportional to 8,000 and 9,440 is: 11,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000 : 9,440 = 9,440 : x
  2. Step 2: Convert to fraction form
    8,000/9,440 = 9,440/x
  3. Step 3: Cross multiply
    8,000x = 9,440 × 9,440
  4. Step 4: Simplify right side
    8,000x = 89,113,600
  5. Step 5: Solve for x
    x = 89,113,600/8,000
  6. Step 6: Final answer
    x = 11,139.20

Related Problems

Find third proportional to 4,000 and 4,720
Half scale
Find third proportional to 16,000 and 18,880
Double scale
Find third proportional to 8,002 and 9,442
Similar ratio
Find third proportional to 12,000 and 14,160
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.