Home / 120,930-262,575

Finding the Third Proportional to 120,930 and 262,575

Calculator

Solution

The third proportional to 120,930 and 262,575 is: 570,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,930 : 262,575 = 262,575 : x
  2. Step 2: Convert to fraction form
    120,930/262,575 = 262,575/x
  3. Step 3: Cross multiply
    120,930x = 262,575 × 262,575
  4. Step 4: Simplify right side
    120,930x = 68,945,630,625
  5. Step 5: Solve for x
    x = 68,945,630,625/120,930
  6. Step 6: Final answer
    x = 570,128.43

Related Problems

Find third proportional to 60,465 and 131,287.50
Half scale
Find third proportional to 241,860 and 525,150
Double scale
Find third proportional to 120,932 and 262,579
Similar ratio
Find third proportional to 181,395 and 393,862.50
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.