Home / 100,398-218,292

Finding the Third Proportional to 100,398 and 218,292

Calculator

Solution

The third proportional to 100,398 and 218,292 is: 474,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,398 : 218,292 = 218,292 : x
  2. Step 2: Convert to fraction form
    100,398/218,292 = 218,292/x
  3. Step 3: Cross multiply
    100,398x = 218,292 × 218,292
  4. Step 4: Simplify right side
    100,398x = 47,651,397,264
  5. Step 5: Solve for x
    x = 47,651,397,264/100,398
  6. Step 6: Final answer
    x = 474,624.97

Related Problems

Find third proportional to 50,199 and 109,146
Half scale
Find third proportional to 200,796 and 436,584
Double scale
Find third proportional to 100,400 and 218,296
Similar ratio
Find third proportional to 150,597 and 327,438
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.