Home / 85,172-179,171

Finding the Third Proportional to 85,172 and 179,171

Calculator

Solution

The third proportional to 85,172 and 179,171 is: 376,910.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,172 : 179,171 = 179,171 : x
  2. Step 2: Convert to fraction form
    85,172/179,171 = 179,171/x
  3. Step 3: Cross multiply
    85,172x = 179,171 × 179,171
  4. Step 4: Simplify right side
    85,172x = 32,102,247,241
  5. Step 5: Solve for x
    x = 32,102,247,241/85,172
  6. Step 6: Final answer
    x = 376,910.81

Related Problems

Find third proportional to 42,586 and 89,585.50
Half scale
Find third proportional to 170,344 and 358,342
Double scale
Find third proportional to 85,174 and 179,175
Similar ratio
Find third proportional to 127,758 and 268,756.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.