Home / 38,388-79,876

Finding the Third Proportional to 38,388 and 79,876

Calculator

Solution

The third proportional to 38,388 and 79,876 is: 166,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388 : 79,876 = 79,876 : x
  2. Step 2: Convert to fraction form
    38,388/79,876 = 79,876/x
  3. Step 3: Cross multiply
    38,388x = 79,876 × 79,876
  4. Step 4: Simplify right side
    38,388x = 6,380,175,376
  5. Step 5: Solve for x
    x = 6,380,175,376/38,388
  6. Step 6: Final answer
    x = 166,202.34

Related Problems

Find third proportional to 19,194 and 39,938
Half scale
Find third proportional to 76,776 and 159,752
Double scale
Find third proportional to 38,390 and 79,880
Similar ratio
Find third proportional to 57,582 and 119,814
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.