Home / 259,312-389,232

Finding the Third Proportional to 259,312 and 389,232

Calculator

Solution

The third proportional to 259,312 and 389,232 is: 584,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,312 : 389,232 = 389,232 : x
  2. Step 2: Convert to fraction form
    259,312/389,232 = 389,232/x
  3. Step 3: Cross multiply
    259,312x = 389,232 × 389,232
  4. Step 4: Simplify right side
    259,312x = 151,501,549,824
  5. Step 5: Solve for x
    x = 151,501,549,824/259,312
  6. Step 6: Final answer
    x = 584,244.27

Related Problems

Find third proportional to 129,656 and 194,616
Half scale
Find third proportional to 518,624 and 778,464
Double scale
Find third proportional to 259,314 and 389,235
Similar ratio
Find third proportional to 388,968 and 583,848
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.