Home / 121,892-185,190

Finding the Third Proportional to 121,892 and 185,190

Calculator

Solution

The third proportional to 121,892 and 185,190 is: 281,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,892 : 185,190 = 185,190 : x
  2. Step 2: Convert to fraction form
    121,892/185,190 = 185,190/x
  3. Step 3: Cross multiply
    121,892x = 185,190 × 185,190
  4. Step 4: Simplify right side
    121,892x = 34,295,336,100
  5. Step 5: Solve for x
    x = 34,295,336,100/121,892
  6. Step 6: Final answer
    x = 281,358.38

Related Problems

Find third proportional to 60,946 and 92,595
Half scale
Find third proportional to 243,784 and 370,380
Double scale
Find third proportional to 121,894 and 185,193
Similar ratio
Find third proportional to 182,838 and 277,785
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.