Home / 18,540-38,375

Finding the Third Proportional to 18,540 and 38,375

Calculator

Solution

The third proportional to 18,540 and 38,375 is: 79,430.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540 : 38,375 = 38,375 : x
  2. Step 2: Convert to fraction form
    18,540/38,375 = 38,375/x
  3. Step 3: Cross multiply
    18,540x = 38,375 × 38,375
  4. Step 4: Simplify right side
    18,540x = 1,472,640,625
  5. Step 5: Solve for x
    x = 1,472,640,625/18,540
  6. Step 6: Final answer
    x = 79,430.45

Related Problems

Find third proportional to 9,270 and 19,187.50
Half scale
Find third proportional to 37,080 and 76,750
Double scale
Find third proportional to 18,542 and 38,379
Similar ratio
Find third proportional to 27,810 and 57,562.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.