Home / 13,656-18,336

Finding the Third Proportional to 13,656 and 18,336

Calculator

Solution

The third proportional to 13,656 and 18,336 is: 24,619.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656 : 18,336 = 18,336 : x
  2. Step 2: Convert to fraction form
    13,656/18,336 = 18,336/x
  3. Step 3: Cross multiply
    13,656x = 18,336 × 18,336
  4. Step 4: Simplify right side
    13,656x = 336,208,896
  5. Step 5: Solve for x
    x = 336,208,896/13,656
  6. Step 6: Final answer
    x = 24,619.87

Related Problems

Find third proportional to 6,828 and 9,168
Half scale
Find third proportional to 27,312 and 36,672
Double scale
Find third proportional to 13,658 and 18,339
Similar ratio
Find third proportional to 20,484 and 27,504
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.