Home / 100,403-216,358

Finding the Third Proportional to 100,403 and 216,358

Calculator

Solution

The third proportional to 100,403 and 216,358 is: 466,228.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,403 : 216,358 = 216,358 : x
  2. Step 2: Convert to fraction form
    100,403/216,358 = 216,358/x
  3. Step 3: Cross multiply
    100,403x = 216,358 × 216,358
  4. Step 4: Simplify right side
    100,403x = 46,810,784,164
  5. Step 5: Solve for x
    x = 46,810,784,164/100,403
  6. Step 6: Final answer
    x = 466,228.94

Related Problems

Find third proportional to 50,201.50 and 108,179
Half scale
Find third proportional to 200,806 and 432,716
Double scale
Find third proportional to 100,405 and 216,362
Similar ratio
Find third proportional to 150,604.50 and 324,537
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.