Home / 18,600-27,280

Finding the Third Proportional to 18,600 and 27,280

Calculator

Solution

The third proportional to 18,600 and 27,280 is: 40,010.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600 : 27,280 = 27,280 : x
  2. Step 2: Convert to fraction form
    18,600/27,280 = 27,280/x
  3. Step 3: Cross multiply
    18,600x = 27,280 × 27,280
  4. Step 4: Simplify right side
    18,600x = 744,198,400
  5. Step 5: Solve for x
    x = 744,198,400/18,600
  6. Step 6: Final answer
    x = 40,010.67

Related Problems

Find third proportional to 9,300 and 13,640
Half scale
Find third proportional to 37,200 and 54,560
Double scale
Find third proportional to 18,602 and 27,283
Similar ratio
Find third proportional to 27,900 and 40,920
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.