Home / 121,856-259,232

Finding the Third Proportional to 121,856 and 259,232

Calculator

Solution

The third proportional to 121,856 and 259,232 is: 551,480.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,856 : 259,232 = 259,232 : x
  2. Step 2: Convert to fraction form
    121,856/259,232 = 259,232/x
  3. Step 3: Cross multiply
    121,856x = 259,232 × 259,232
  4. Step 4: Simplify right side
    121,856x = 67,201,229,824
  5. Step 5: Solve for x
    x = 67,201,229,824/121,856
  6. Step 6: Final answer
    x = 551,480.68

Related Problems

Find third proportional to 60,928 and 129,616
Half scale
Find third proportional to 243,712 and 518,464
Double scale
Find third proportional to 121,858 and 259,236
Similar ratio
Find third proportional to 182,784 and 388,848
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.