Home / 20,486-30,599

Finding the Third Proportional to 20,486 and 30,599

Calculator

Solution

The third proportional to 20,486 and 30,599 is: 45,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,486 : 30,599 = 30,599 : x
  2. Step 2: Convert to fraction form
    20,486/30,599 = 30,599/x
  3. Step 3: Cross multiply
    20,486x = 30,599 × 30,599
  4. Step 4: Simplify right side
    20,486x = 936,298,801
  5. Step 5: Solve for x
    x = 936,298,801/20,486
  6. Step 6: Final answer
    x = 45,704.32

Related Problems

Find third proportional to 10,243 and 15,299.50
Half scale
Find third proportional to 40,972 and 61,198
Double scale
Find third proportional to 20,488 and 30,602
Similar ratio
Find third proportional to 30,729 and 45,898.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.