Home / 154,938-218,184

Finding the Third Proportional to 154,938 and 218,184

Calculator

Solution

The third proportional to 154,938 and 218,184 is: 307,247.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,938 : 218,184 = 218,184 : x
  2. Step 2: Convert to fraction form
    154,938/218,184 = 218,184/x
  3. Step 3: Cross multiply
    154,938x = 218,184 × 218,184
  4. Step 4: Simplify right side
    154,938x = 47,604,257,856
  5. Step 5: Solve for x
    x = 47,604,257,856/154,938
  6. Step 6: Final answer
    x = 307,247.14

Related Problems

Find third proportional to 77,469 and 109,092
Half scale
Find third proportional to 309,876 and 436,368
Double scale
Find third proportional to 154,940 and 218,187
Similar ratio
Find third proportional to 232,407 and 327,276
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.