Home / 128,114-187,234

Finding the Third Proportional to 128,114 and 187,234

Calculator

Solution

The third proportional to 128,114 and 187,234 is: 273,635.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,114 : 187,234 = 187,234 : x
  2. Step 2: Convert to fraction form
    128,114/187,234 = 187,234/x
  3. Step 3: Cross multiply
    128,114x = 187,234 × 187,234
  4. Step 4: Simplify right side
    128,114x = 35,056,570,756
  5. Step 5: Solve for x
    x = 35,056,570,756/128,114
  6. Step 6: Final answer
    x = 273,635.75

Related Problems

Find third proportional to 64,057 and 93,617
Half scale
Find third proportional to 256,228 and 374,468
Double scale
Find third proportional to 128,116 and 187,237
Similar ratio
Find third proportional to 192,171 and 280,851
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.