Home / 18,456-38,010

Finding the Third Proportional to 18,456 and 38,010

Calculator

Solution

The third proportional to 18,456 and 38,010 is: 78,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456 : 38,010 = 38,010 : x
  2. Step 2: Convert to fraction form
    18,456/38,010 = 38,010/x
  3. Step 3: Cross multiply
    18,456x = 38,010 × 38,010
  4. Step 4: Simplify right side
    18,456x = 1,444,760,100
  5. Step 5: Solve for x
    x = 1,444,760,100/18,456
  6. Step 6: Final answer
    x = 78,281.32

Related Problems

Find third proportional to 9,228 and 19,005
Half scale
Find third proportional to 36,912 and 76,020
Double scale
Find third proportional to 18,458 and 38,014
Similar ratio
Find third proportional to 27,684 and 57,015
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.