Home / 218,490-295,197

Finding the Third Proportional to 218,490 and 295,197

Calculator

Solution

The third proportional to 218,490 and 295,197 is: 398,834.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,490 : 295,197 = 295,197 : x
  2. Step 2: Convert to fraction form
    218,490/295,197 = 295,197/x
  3. Step 3: Cross multiply
    218,490x = 295,197 × 295,197
  4. Step 4: Simplify right side
    218,490x = 87,141,268,809
  5. Step 5: Solve for x
    x = 87,141,268,809/218,490
  6. Step 6: Final answer
    x = 398,834.13

Related Problems

Find third proportional to 109,245 and 147,598.50
Half scale
Find third proportional to 436,980 and 590,394
Double scale
Find third proportional to 218,492 and 295,200
Similar ratio
Find third proportional to 327,735 and 442,795.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.