Home / 121,604-171,126

Finding the Third Proportional to 121,604 and 171,126

Calculator

Solution

The third proportional to 121,604 and 171,126 is: 240,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,604 : 171,126 = 171,126 : x
  2. Step 2: Convert to fraction form
    121,604/171,126 = 171,126/x
  3. Step 3: Cross multiply
    121,604x = 171,126 × 171,126
  4. Step 4: Simplify right side
    121,604x = 29,284,107,876
  5. Step 5: Solve for x
    x = 29,284,107,876/121,604
  6. Step 6: Final answer
    x = 240,815.33

Related Problems

Find third proportional to 60,802 and 85,563
Half scale
Find third proportional to 243,208 and 342,252
Double scale
Find third proportional to 121,606 and 171,129
Similar ratio
Find third proportional to 182,406 and 256,689
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.