Home / 19,038-39,400

Finding the Third Proportional to 19,038 and 39,400

Calculator

Solution

The third proportional to 19,038 and 39,400 is: 81,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038 : 39,400 = 39,400 : x
  2. Step 2: Convert to fraction form
    19,038/39,400 = 39,400/x
  3. Step 3: Cross multiply
    19,038x = 39,400 × 39,400
  4. Step 4: Simplify right side
    19,038x = 1,552,360,000
  5. Step 5: Solve for x
    x = 1,552,360,000/19,038
  6. Step 6: Final answer
    x = 81,540.08

Related Problems

Find third proportional to 9,519 and 19,700
Half scale
Find third proportional to 38,076 and 78,800
Double scale
Find third proportional to 19,040 and 39,404
Similar ratio
Find third proportional to 28,557 and 59,100
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.