Home / 120,776-262,329

Finding the Third Proportional to 120,776 and 262,329

Calculator

Solution

The third proportional to 120,776 and 262,329 is: 569,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,776 : 262,329 = 262,329 : x
  2. Step 2: Convert to fraction form
    120,776/262,329 = 262,329/x
  3. Step 3: Cross multiply
    120,776x = 262,329 × 262,329
  4. Step 4: Simplify right side
    120,776x = 68,816,504,241
  5. Step 5: Solve for x
    x = 68,816,504,241/120,776
  6. Step 6: Final answer
    x = 569,786.25

Related Problems

Find third proportional to 60,388 and 131,164.50
Half scale
Find third proportional to 241,552 and 524,658
Double scale
Find third proportional to 120,778 and 262,333
Similar ratio
Find third proportional to 181,164 and 393,493.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.