Home / 19,402-39,621

Finding the Third Proportional to 19,402 and 39,621

Calculator

Solution

The third proportional to 19,402 and 39,621 is: 80,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402 : 39,621 = 39,621 : x
  2. Step 2: Convert to fraction form
    19,402/39,621 = 39,621/x
  3. Step 3: Cross multiply
    19,402x = 39,621 × 39,621
  4. Step 4: Simplify right side
    19,402x = 1,569,823,641
  5. Step 5: Solve for x
    x = 1,569,823,641/19,402
  6. Step 6: Final answer
    x = 80,910.40

Related Problems

Find third proportional to 9,701 and 19,810.50
Half scale
Find third proportional to 38,804 and 79,242
Double scale
Find third proportional to 19,404 and 39,625
Similar ratio
Find third proportional to 29,103 and 59,431.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.