Home / 143,188-220,188

Finding the Third Proportional to 143,188 and 220,188

Calculator

Solution

The third proportional to 143,188 and 220,188 is: 338,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,188 : 220,188 = 220,188 : x
  2. Step 2: Convert to fraction form
    143,188/220,188 = 220,188/x
  3. Step 3: Cross multiply
    143,188x = 220,188 × 220,188
  4. Step 4: Simplify right side
    143,188x = 48,482,755,344
  5. Step 5: Solve for x
    x = 48,482,755,344/143,188
  6. Step 6: Final answer
    x = 338,595.10

Related Problems

Find third proportional to 71,594 and 110,094
Half scale
Find third proportional to 286,376 and 440,376
Double scale
Find third proportional to 143,190 and 220,191
Similar ratio
Find third proportional to 214,782 and 330,282
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.