Home / 82,560-129,696

Finding the Third Proportional to 82,560 and 129,696

Calculator

Solution

The third proportional to 82,560 and 129,696 is: 203,743.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,560 : 129,696 = 129,696 : x
  2. Step 2: Convert to fraction form
    82,560/129,696 = 129,696/x
  3. Step 3: Cross multiply
    82,560x = 129,696 × 129,696
  4. Step 4: Simplify right side
    82,560x = 16,821,052,416
  5. Step 5: Solve for x
    x = 16,821,052,416/82,560
  6. Step 6: Final answer
    x = 203,743.37

Related Problems

Find third proportional to 41,280 and 64,848
Half scale
Find third proportional to 165,120 and 259,392
Double scale
Find third proportional to 82,562 and 129,699
Similar ratio
Find third proportional to 123,840 and 194,544
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.