Home / 216,154-323,367

Finding the Third Proportional to 216,154 and 323,367

Calculator

Solution

The third proportional to 216,154 and 323,367 is: 483,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,154 : 323,367 = 323,367 : x
  2. Step 2: Convert to fraction form
    216,154/323,367 = 323,367/x
  3. Step 3: Cross multiply
    216,154x = 323,367 × 323,367
  4. Step 4: Simplify right side
    216,154x = 104,566,216,689
  5. Step 5: Solve for x
    x = 104,566,216,689/216,154
  6. Step 6: Final answer
    x = 483,757.95

Related Problems

Find third proportional to 108,077 and 161,683.50
Half scale
Find third proportional to 432,308 and 646,734
Double scale
Find third proportional to 216,156 and 323,370
Similar ratio
Find third proportional to 324,231 and 485,050.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.