Home / 8,464-18,400

Finding the Third Proportional to 8,464 and 18,400

Calculator

Solution

The third proportional to 8,464 and 18,400 is: 40,000

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464 : 18,400 = 18,400 : x
  2. Step 2: Convert to fraction form
    8,464/18,400 = 18,400/x
  3. Step 3: Cross multiply
    8,464x = 18,400 × 18,400
  4. Step 4: Simplify right side
    8,464x = 338,560,000
  5. Step 5: Solve for x
    x = 338,560,000/8,464
  6. Step 6: Final answer
    x = 40,000

Related Problems

Find third proportional to 4,232 and 9,200
Half scale
Find third proportional to 16,928 and 36,800
Double scale
Find third proportional to 8,466 and 18,404
Similar ratio
Find third proportional to 12,696 and 27,600
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.