Home / 120,969-242,424

Finding the Third Proportional to 120,969 and 242,424

Calculator

Solution

The third proportional to 120,969 and 242,424 is: 485,821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,969 : 242,424 = 242,424 : x
  2. Step 2: Convert to fraction form
    120,969/242,424 = 242,424/x
  3. Step 3: Cross multiply
    120,969x = 242,424 × 242,424
  4. Step 4: Simplify right side
    120,969x = 58,769,395,776
  5. Step 5: Solve for x
    x = 58,769,395,776/120,969
  6. Step 6: Final answer
    x = 485,821.95

Related Problems

Find third proportional to 60,484.50 and 121,212
Half scale
Find third proportional to 241,938 and 484,848
Double scale
Find third proportional to 120,971 and 242,428
Similar ratio
Find third proportional to 181,453.50 and 363,636
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.