Home / 197,876-438,436

Finding the Third Proportional to 197,876 and 438,436

Calculator

Solution

The third proportional to 197,876 and 438,436 is: 971,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,876 : 438,436 = 438,436 : x
  2. Step 2: Convert to fraction form
    197,876/438,436 = 438,436/x
  3. Step 3: Cross multiply
    197,876x = 438,436 × 438,436
  4. Step 4: Simplify right side
    197,876x = 192,226,126,096
  5. Step 5: Solve for x
    x = 192,226,126,096/197,876
  6. Step 6: Final answer
    x = 971,447.40

Related Problems

Find third proportional to 98,938 and 219,218
Half scale
Find third proportional to 395,752 and 876,872
Double scale
Find third proportional to 197,878 and 438,440
Similar ratio
Find third proportional to 296,814 and 657,654
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.