Home / 38,187-90,288

Finding the Third Proportional to 38,187 and 90,288

Calculator

Solution

The third proportional to 38,187 and 90,288 is: 213,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187 : 90,288 = 90,288 : x
  2. Step 2: Convert to fraction form
    38,187/90,288 = 90,288/x
  3. Step 3: Cross multiply
    38,187x = 90,288 × 90,288
  4. Step 4: Simplify right side
    38,187x = 8,151,922,944
  5. Step 5: Solve for x
    x = 8,151,922,944/38,187
  6. Step 6: Final answer
    x = 213,473.77

Related Problems

Find third proportional to 19,093.50 and 45,144
Half scale
Find third proportional to 76,374 and 180,576
Double scale
Find third proportional to 38,189 and 90,293
Similar ratio
Find third proportional to 57,280.50 and 135,432
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.