Home / 84,432-178,400

Finding the Third Proportional to 84,432 and 178,400

Calculator

Solution

The third proportional to 84,432 and 178,400 is: 376,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,432 : 178,400 = 178,400 : x
  2. Step 2: Convert to fraction form
    84,432/178,400 = 178,400/x
  3. Step 3: Cross multiply
    84,432x = 178,400 × 178,400
  4. Step 4: Simplify right side
    84,432x = 31,826,560,000
  5. Step 5: Solve for x
    x = 31,826,560,000/84,432
  6. Step 6: Final answer
    x = 376,949.02

Related Problems

Find third proportional to 42,216 and 89,200
Half scale
Find third proportional to 168,864 and 356,800
Double scale
Find third proportional to 84,434 and 178,404
Similar ratio
Find third proportional to 126,648 and 267,600
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.