Home / 189,626-406,238

Finding the Third Proportional to 189,626 and 406,238

Calculator

Solution

The third proportional to 189,626 and 406,238 is: 870,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,626 : 406,238 = 406,238 : x
  2. Step 2: Convert to fraction form
    189,626/406,238 = 406,238/x
  3. Step 3: Cross multiply
    189,626x = 406,238 × 406,238
  4. Step 4: Simplify right side
    189,626x = 165,029,312,644
  5. Step 5: Solve for x
    x = 165,029,312,644/189,626
  6. Step 6: Final answer
    x = 870,288.42

Related Problems

Find third proportional to 94,813 and 203,119
Half scale
Find third proportional to 379,252 and 812,476
Double scale
Find third proportional to 189,628 and 406,242
Similar ratio
Find third proportional to 284,439 and 609,357
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.