Home / 121,077-239,049

Finding the Third Proportional to 121,077 and 239,049

Calculator

Solution

The third proportional to 121,077 and 239,049 is: 471,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,077 : 239,049 = 239,049 : x
  2. Step 2: Convert to fraction form
    121,077/239,049 = 239,049/x
  3. Step 3: Cross multiply
    121,077x = 239,049 × 239,049
  4. Step 4: Simplify right side
    121,077x = 57,144,424,401
  5. Step 5: Solve for x
    x = 57,144,424,401/121,077
  6. Step 6: Final answer
    x = 471,967.63

Related Problems

Find third proportional to 60,538.50 and 119,524.50
Half scale
Find third proportional to 242,154 and 478,098
Double scale
Find third proportional to 121,079 and 239,053
Similar ratio
Find third proportional to 181,615.50 and 358,573.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.