Home / 197,678-426,460

Finding the Third Proportional to 197,678 and 426,460

Calculator

Solution

The third proportional to 197,678 and 426,460 is: 920,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,678 : 426,460 = 426,460 : x
  2. Step 2: Convert to fraction form
    197,678/426,460 = 426,460/x
  3. Step 3: Cross multiply
    197,678x = 426,460 × 426,460
  4. Step 4: Simplify right side
    197,678x = 181,868,131,600
  5. Step 5: Solve for x
    x = 181,868,131,600/197,678
  6. Step 6: Final answer
    x = 920,022.11

Related Problems

Find third proportional to 98,839 and 213,230
Half scale
Find third proportional to 395,356 and 852,920
Double scale
Find third proportional to 197,680 and 426,464
Similar ratio
Find third proportional to 296,517 and 639,690
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.