Home / 18,605-40,895

Finding the Third Proportional to 18,605 and 40,895

Calculator

Solution

The third proportional to 18,605 and 40,895 is: 89,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,605 : 40,895 = 40,895 : x
  2. Step 2: Convert to fraction form
    18,605/40,895 = 40,895/x
  3. Step 3: Cross multiply
    18,605x = 40,895 × 40,895
  4. Step 4: Simplify right side
    18,605x = 1,672,401,025
  5. Step 5: Solve for x
    x = 1,672,401,025/18,605
  6. Step 6: Final answer
    x = 89,889.87

Related Problems

Find third proportional to 9,302.50 and 20,447.50
Half scale
Find third proportional to 37,210 and 81,790
Double scale
Find third proportional to 18,607 and 40,899
Similar ratio
Find third proportional to 27,907.50 and 61,342.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.