Home / 189,255-406,410

Finding the Third Proportional to 189,255 and 406,410

Calculator

Solution

The third proportional to 189,255 and 406,410 is: 872,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,255 : 406,410 = 406,410 : x
  2. Step 2: Convert to fraction form
    189,255/406,410 = 406,410/x
  3. Step 3: Cross multiply
    189,255x = 406,410 × 406,410
  4. Step 4: Simplify right side
    189,255x = 165,169,088,100
  5. Step 5: Solve for x
    x = 165,169,088,100/189,255
  6. Step 6: Final answer
    x = 872,733.02

Related Problems

Find third proportional to 94,627.50 and 203,205
Half scale
Find third proportional to 378,510 and 812,820
Double scale
Find third proportional to 189,257 and 406,414
Similar ratio
Find third proportional to 283,882.50 and 609,615
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.