Home / 18,866-40,702

Finding the Third Proportional to 18,866 and 40,702

Calculator

Solution

The third proportional to 18,866 and 40,702 is: 87,811.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866 : 40,702 = 40,702 : x
  2. Step 2: Convert to fraction form
    18,866/40,702 = 40,702/x
  3. Step 3: Cross multiply
    18,866x = 40,702 × 40,702
  4. Step 4: Simplify right side
    18,866x = 1,656,652,804
  5. Step 5: Solve for x
    x = 1,656,652,804/18,866
  6. Step 6: Final answer
    x = 87,811.56

Related Problems

Find third proportional to 9,433 and 20,351
Half scale
Find third proportional to 37,732 and 81,404
Double scale
Find third proportional to 18,868 and 40,706
Similar ratio
Find third proportional to 28,299 and 61,053
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.