Home / 80,716-177,352

Finding the Third Proportional to 80,716 and 177,352

Calculator

Solution

The third proportional to 80,716 and 177,352 is: 389,683.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,716 : 177,352 = 177,352 : x
  2. Step 2: Convert to fraction form
    80,716/177,352 = 177,352/x
  3. Step 3: Cross multiply
    80,716x = 177,352 × 177,352
  4. Step 4: Simplify right side
    80,716x = 31,453,731,904
  5. Step 5: Solve for x
    x = 31,453,731,904/80,716
  6. Step 6: Final answer
    x = 389,683.98

Related Problems

Find third proportional to 40,358 and 88,676
Half scale
Find third proportional to 161,432 and 354,704
Double scale
Find third proportional to 80,718 and 177,356
Similar ratio
Find third proportional to 121,074 and 266,028
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.