Home / 84,530-178,491

Finding the Third Proportional to 84,530 and 178,491

Calculator

Solution

The third proportional to 84,530 and 178,491 is: 376,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,530 : 178,491 = 178,491 : x
  2. Step 2: Convert to fraction form
    84,530/178,491 = 178,491/x
  3. Step 3: Cross multiply
    84,530x = 178,491 × 178,491
  4. Step 4: Simplify right side
    84,530x = 31,859,037,081
  5. Step 5: Solve for x
    x = 31,859,037,081/84,530
  6. Step 6: Final answer
    x = 376,896.22

Related Problems

Find third proportional to 42,265 and 89,245.50
Half scale
Find third proportional to 169,060 and 356,982
Double scale
Find third proportional to 84,532 and 178,495
Similar ratio
Find third proportional to 126,795 and 267,736.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.