Home / 6,418-13,340

Finding the Third Proportional to 6,418 and 13,340

Calculator

Solution

The third proportional to 6,418 and 13,340 is: 27,727.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418 : 13,340 = 13,340 : x
  2. Step 2: Convert to fraction form
    6,418/13,340 = 13,340/x
  3. Step 3: Cross multiply
    6,418x = 13,340 × 13,340
  4. Step 4: Simplify right side
    6,418x = 177,955,600
  5. Step 5: Solve for x
    x = 177,955,600/6,418
  6. Step 6: Final answer
    x = 27,727.58

Related Problems

Find third proportional to 3,209 and 6,670
Half scale
Find third proportional to 12,836 and 26,680
Double scale
Find third proportional to 6,420 and 13,344
Similar ratio
Find third proportional to 9,627 and 20,010
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.