Home / 38,180-54,990

Finding the Third Proportional to 38,180 and 54,990

Calculator

Solution

The third proportional to 38,180 and 54,990 is: 79,201.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180 : 54,990 = 54,990 : x
  2. Step 2: Convert to fraction form
    38,180/54,990 = 54,990/x
  3. Step 3: Cross multiply
    38,180x = 54,990 × 54,990
  4. Step 4: Simplify right side
    38,180x = 3,023,900,100
  5. Step 5: Solve for x
    x = 3,023,900,100/38,180
  6. Step 6: Final answer
    x = 79,201.16

Related Problems

Find third proportional to 19,090 and 27,495
Half scale
Find third proportional to 76,360 and 109,980
Double scale
Find third proportional to 38,182 and 54,993
Similar ratio
Find third proportional to 57,270 and 82,485
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.