Home / 207,438-314,876

Finding the Third Proportional to 207,438 and 314,876

Calculator

Solution

The third proportional to 207,438 and 314,876 is: 477,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,438 : 314,876 = 314,876 : x
  2. Step 2: Convert to fraction form
    207,438/314,876 = 314,876/x
  3. Step 3: Cross multiply
    207,438x = 314,876 × 314,876
  4. Step 4: Simplify right side
    207,438x = 99,146,895,376
  5. Step 5: Solve for x
    x = 99,146,895,376/207,438
  6. Step 6: Final answer
    x = 477,959.18

Related Problems

Find third proportional to 103,719 and 157,438
Half scale
Find third proportional to 414,876 and 629,752
Double scale
Find third proportional to 207,440 and 314,879
Similar ratio
Find third proportional to 311,157 and 472,314
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.