Home / 143,062-221,169

Finding the Third Proportional to 143,062 and 221,169

Calculator

Solution

The third proportional to 143,062 and 221,169 is: 341,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,062 : 221,169 = 221,169 : x
  2. Step 2: Convert to fraction form
    143,062/221,169 = 221,169/x
  3. Step 3: Cross multiply
    143,062x = 221,169 × 221,169
  4. Step 4: Simplify right side
    143,062x = 48,915,726,561
  5. Step 5: Solve for x
    x = 48,915,726,561/143,062
  6. Step 6: Final answer
    x = 341,919.77

Related Problems

Find third proportional to 71,531 and 110,584.50
Half scale
Find third proportional to 286,124 and 442,338
Double scale
Find third proportional to 143,064 and 221,172
Similar ratio
Find third proportional to 214,593 and 331,753.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.