Home / 6,518-13,240

Finding the Third Proportional to 6,518 and 13,240

Calculator

Solution

The third proportional to 6,518 and 13,240 is: 26,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518 : 13,240 = 13,240 : x
  2. Step 2: Convert to fraction form
    6,518/13,240 = 13,240/x
  3. Step 3: Cross multiply
    6,518x = 13,240 × 13,240
  4. Step 4: Simplify right side
    6,518x = 175,297,600
  5. Step 5: Solve for x
    x = 175,297,600/6,518
  6. Step 6: Final answer
    x = 26,894.38

Related Problems

Find third proportional to 3,259 and 6,620
Half scale
Find third proportional to 13,036 and 26,480
Double scale
Find third proportional to 6,520 and 13,244
Similar ratio
Find third proportional to 9,777 and 19,860
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.