Home / 201,148-418,830

Finding the Third Proportional to 201,148 and 418,830

Calculator

Solution

The third proportional to 201,148 and 418,830 is: 872,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,148 : 418,830 = 418,830 : x
  2. Step 2: Convert to fraction form
    201,148/418,830 = 418,830/x
  3. Step 3: Cross multiply
    201,148x = 418,830 × 418,830
  4. Step 4: Simplify right side
    201,148x = 175,418,568,900
  5. Step 5: Solve for x
    x = 175,418,568,900/201,148
  6. Step 6: Final answer
    x = 872,087.06

Related Problems

Find third proportional to 100,574 and 209,415
Half scale
Find third proportional to 402,296 and 837,660
Double scale
Find third proportional to 201,150 and 418,834
Similar ratio
Find third proportional to 301,722 and 628,245
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.