Home / 8,902-18,995

Finding the Third Proportional to 8,902 and 18,995

Calculator

Solution

The third proportional to 8,902 and 18,995 is: 40,531.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902 : 18,995 = 18,995 : x
  2. Step 2: Convert to fraction form
    8,902/18,995 = 18,995/x
  3. Step 3: Cross multiply
    8,902x = 18,995 × 18,995
  4. Step 4: Simplify right side
    8,902x = 360,810,025
  5. Step 5: Solve for x
    x = 360,810,025/8,902
  6. Step 6: Final answer
    x = 40,531.34

Related Problems

Find third proportional to 4,451 and 9,497.50
Half scale
Find third proportional to 17,804 and 37,990
Double scale
Find third proportional to 8,904 and 18,999
Similar ratio
Find third proportional to 13,353 and 28,492.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.