Home / 129,186-188,667

Finding the Third Proportional to 129,186 and 188,667

Calculator

Solution

The third proportional to 129,186 and 188,667 is: 275,534.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,186 : 188,667 = 188,667 : x
  2. Step 2: Convert to fraction form
    129,186/188,667 = 188,667/x
  3. Step 3: Cross multiply
    129,186x = 188,667 × 188,667
  4. Step 4: Simplify right side
    129,186x = 35,595,236,889
  5. Step 5: Solve for x
    x = 35,595,236,889/129,186
  6. Step 6: Final answer
    x = 275,534.79

Related Problems

Find third proportional to 64,593 and 94,333.50
Half scale
Find third proportional to 258,372 and 377,334
Double scale
Find third proportional to 129,188 and 188,670
Similar ratio
Find third proportional to 193,779 and 283,000.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.