Home / 120,237-259,743

Finding the Third Proportional to 120,237 and 259,743

Calculator

Solution

The third proportional to 120,237 and 259,743 is: 561,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,237 : 259,743 = 259,743 : x
  2. Step 2: Convert to fraction form
    120,237/259,743 = 259,743/x
  3. Step 3: Cross multiply
    120,237x = 259,743 × 259,743
  4. Step 4: Simplify right side
    120,237x = 67,466,426,049
  5. Step 5: Solve for x
    x = 67,466,426,049/120,237
  6. Step 6: Final answer
    x = 561,112.02

Related Problems

Find third proportional to 60,118.50 and 129,871.50
Half scale
Find third proportional to 240,474 and 519,486
Double scale
Find third proportional to 120,239 and 259,747
Similar ratio
Find third proportional to 180,355.50 and 389,614.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.