Home / 20,136-38,436

Finding the Third Proportional to 20,136 and 38,436

Calculator

Solution

The third proportional to 20,136 and 38,436 is: 73,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136 : 38,436 = 38,436 : x
  2. Step 2: Convert to fraction form
    20,136/38,436 = 38,436/x
  3. Step 3: Cross multiply
    20,136x = 38,436 × 38,436
  4. Step 4: Simplify right side
    20,136x = 1,477,326,096
  5. Step 5: Solve for x
    x = 1,477,326,096/20,136
  6. Step 6: Final answer
    x = 73,367.41

Related Problems

Find third proportional to 10,068 and 19,218
Half scale
Find third proportional to 40,272 and 76,872
Double scale
Find third proportional to 20,138 and 38,440
Similar ratio
Find third proportional to 30,204 and 57,654
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.