Home / 18,360-27,270

Finding the Third Proportional to 18,360 and 27,270

Calculator

Solution

The third proportional to 18,360 and 27,270 is: 40,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360 : 27,270 = 27,270 : x
  2. Step 2: Convert to fraction form
    18,360/27,270 = 27,270/x
  3. Step 3: Cross multiply
    18,360x = 27,270 × 27,270
  4. Step 4: Simplify right side
    18,360x = 743,652,900
  5. Step 5: Solve for x
    x = 743,652,900/18,360
  6. Step 6: Final answer
    x = 40,503.97

Related Problems

Find third proportional to 9,180 and 13,635
Half scale
Find third proportional to 36,720 and 54,540
Double scale
Find third proportional to 18,362 and 27,273
Similar ratio
Find third proportional to 27,540 and 40,905
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.