Home / 79,539-107,636

Finding the Third Proportional to 79,539 and 107,636

Calculator

Solution

The third proportional to 79,539 and 107,636 is: 145,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,539 : 107,636 = 107,636 : x
  2. Step 2: Convert to fraction form
    79,539/107,636 = 107,636/x
  3. Step 3: Cross multiply
    79,539x = 107,636 × 107,636
  4. Step 4: Simplify right side
    79,539x = 11,585,508,496
  5. Step 5: Solve for x
    x = 11,585,508,496/79,539
  6. Step 6: Final answer
    x = 145,658.21

Related Problems

Find third proportional to 39,769.50 and 53,818
Half scale
Find third proportional to 159,078 and 215,272
Double scale
Find third proportional to 79,541 and 107,639
Similar ratio
Find third proportional to 119,308.50 and 161,454
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.