Home / 75,132-109,170

Finding the Third Proportional to 75,132 and 109,170

Calculator

Solution

The third proportional to 75,132 and 109,170 is: 158,628.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,132 : 109,170 = 109,170 : x
  2. Step 2: Convert to fraction form
    75,132/109,170 = 109,170/x
  3. Step 3: Cross multiply
    75,132x = 109,170 × 109,170
  4. Step 4: Simplify right side
    75,132x = 11,918,088,900
  5. Step 5: Solve for x
    x = 11,918,088,900/75,132
  6. Step 6: Final answer
    x = 158,628.67

Related Problems

Find third proportional to 37,566 and 54,585
Half scale
Find third proportional to 150,264 and 218,340
Double scale
Find third proportional to 75,134 and 109,173
Similar ratio
Find third proportional to 112,698 and 163,755
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.