Home / 100,426-218,132

Finding the Third Proportional to 100,426 and 218,132

Calculator

Solution

The third proportional to 100,426 and 218,132 is: 473,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,426 : 218,132 = 218,132 : x
  2. Step 2: Convert to fraction form
    100,426/218,132 = 218,132/x
  3. Step 3: Cross multiply
    100,426x = 218,132 × 218,132
  4. Step 4: Simplify right side
    100,426x = 47,581,569,424
  5. Step 5: Solve for x
    x = 47,581,569,424/100,426
  6. Step 6: Final answer
    x = 473,797.32

Related Problems

Find third proportional to 50,213 and 109,066
Half scale
Find third proportional to 200,852 and 436,264
Double scale
Find third proportional to 100,428 and 218,136
Similar ratio
Find third proportional to 150,639 and 327,198
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.