Home / 183,636-389,320

Finding the Third Proportional to 183,636 and 389,320

Calculator

Solution

The third proportional to 183,636 and 389,320 is: 825,383.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,636 : 389,320 = 389,320 : x
  2. Step 2: Convert to fraction form
    183,636/389,320 = 389,320/x
  3. Step 3: Cross multiply
    183,636x = 389,320 × 389,320
  4. Step 4: Simplify right side
    183,636x = 151,570,062,400
  5. Step 5: Solve for x
    x = 151,570,062,400/183,636
  6. Step 6: Final answer
    x = 825,383.16

Related Problems

Find third proportional to 91,818 and 194,660
Half scale
Find third proportional to 367,272 and 778,640
Double scale
Find third proportional to 183,638 and 389,324
Similar ratio
Find third proportional to 275,454 and 583,980
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.