Home / 157,860-338,184

Finding the Third Proportional to 157,860 and 338,184

Calculator

Solution

The third proportional to 157,860 and 338,184 is: 724,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,860 : 338,184 = 338,184 : x
  2. Step 2: Convert to fraction form
    157,860/338,184 = 338,184/x
  3. Step 3: Cross multiply
    157,860x = 338,184 × 338,184
  4. Step 4: Simplify right side
    157,860x = 114,368,417,856
  5. Step 5: Solve for x
    x = 114,368,417,856/157,860
  6. Step 6: Final answer
    x = 724,492.70

Related Problems

Find third proportional to 78,930 and 169,092
Half scale
Find third proportional to 315,720 and 676,368
Double scale
Find third proportional to 157,862 and 338,188
Similar ratio
Find third proportional to 236,790 and 507,276
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.