Home / 19,876-42,122

Finding the Third Proportional to 19,876 and 42,122

Calculator

Solution

The third proportional to 19,876 and 42,122 is: 89,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876 : 42,122 = 42,122 : x
  2. Step 2: Convert to fraction form
    19,876/42,122 = 42,122/x
  3. Step 3: Cross multiply
    19,876x = 42,122 × 42,122
  4. Step 4: Simplify right side
    19,876x = 1,774,262,884
  5. Step 5: Solve for x
    x = 1,774,262,884/19,876
  6. Step 6: Final answer
    x = 89,266.60

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.