Home / 100,370-218,236

Finding the Third Proportional to 100,370 and 218,236

Calculator

Solution

The third proportional to 100,370 and 218,236 is: 474,513.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,370 : 218,236 = 218,236 : x
  2. Step 2: Convert to fraction form
    100,370/218,236 = 218,236/x
  3. Step 3: Cross multiply
    100,370x = 218,236 × 218,236
  4. Step 4: Simplify right side
    100,370x = 47,626,951,696
  5. Step 5: Solve for x
    x = 47,626,951,696/100,370
  6. Step 6: Final answer
    x = 474,513.82

Related Problems

Find third proportional to 50,185 and 109,118
Half scale
Find third proportional to 200,740 and 436,472
Double scale
Find third proportional to 100,372 and 218,240
Similar ratio
Find third proportional to 150,555 and 327,354
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.