Home / 38,419-79,897

Finding the Third Proportional to 38,419 and 79,897

Calculator

Solution

The third proportional to 38,419 and 79,897 is: 166,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,419 : 79,897 = 79,897 : x
  2. Step 2: Convert to fraction form
    38,419/79,897 = 79,897/x
  3. Step 3: Cross multiply
    38,419x = 79,897 × 79,897
  4. Step 4: Simplify right side
    38,419x = 6,383,530,609
  5. Step 5: Solve for x
    x = 6,383,530,609/38,419
  6. Step 6: Final answer
    x = 166,155.56

Related Problems

Find third proportional to 19,209.50 and 39,948.50
Half scale
Find third proportional to 76,838 and 159,794
Double scale
Find third proportional to 38,421 and 79,901
Similar ratio
Find third proportional to 57,628.50 and 119,845.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.