Home / 189,354-408,231

Finding the Third Proportional to 189,354 and 408,231

Calculator

Solution

The third proportional to 189,354 and 408,231 is: 880,111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,354 : 408,231 = 408,231 : x
  2. Step 2: Convert to fraction form
    189,354/408,231 = 408,231/x
  3. Step 3: Cross multiply
    189,354x = 408,231 × 408,231
  4. Step 4: Simplify right side
    189,354x = 166,652,549,361
  5. Step 5: Solve for x
    x = 166,652,549,361/189,354
  6. Step 6: Final answer
    x = 880,111.06

Related Problems

Find third proportional to 94,677 and 204,115.50
Half scale
Find third proportional to 378,708 and 816,462
Double scale
Find third proportional to 189,356 and 408,235
Similar ratio
Find third proportional to 284,031 and 612,346.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.