Home / 195,644-428,790

Finding the Third Proportional to 195,644 and 428,790

Calculator

Solution

The third proportional to 195,644 and 428,790 is: 939,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,644 : 428,790 = 428,790 : x
  2. Step 2: Convert to fraction form
    195,644/428,790 = 428,790/x
  3. Step 3: Cross multiply
    195,644x = 428,790 × 428,790
  4. Step 4: Simplify right side
    195,644x = 183,860,864,100
  5. Step 5: Solve for x
    x = 183,860,864,100/195,644
  6. Step 6: Final answer
    x = 939,772.57

Related Problems

Find third proportional to 97,822 and 214,395
Half scale
Find third proportional to 391,288 and 857,580
Double scale
Find third proportional to 195,646 and 428,794
Similar ratio
Find third proportional to 293,466 and 643,185
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.