Home / 85,909-174,234

Finding the Third Proportional to 85,909 and 174,234

Calculator

Solution

The third proportional to 85,909 and 174,234 is: 353,367.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,909 : 174,234 = 174,234 : x
  2. Step 2: Convert to fraction form
    85,909/174,234 = 174,234/x
  3. Step 3: Cross multiply
    85,909x = 174,234 × 174,234
  4. Step 4: Simplify right side
    85,909x = 30,357,486,756
  5. Step 5: Solve for x
    x = 30,357,486,756/85,909
  6. Step 6: Final answer
    x = 353,367.94

Related Problems

Find third proportional to 42,954.50 and 87,117
Half scale
Find third proportional to 171,818 and 348,468
Double scale
Find third proportional to 85,911 and 174,238
Similar ratio
Find third proportional to 128,863.50 and 261,351
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.