Home / 81,858-176,310

Finding the Third Proportional to 81,858 and 176,310

Calculator

Solution

The third proportional to 81,858 and 176,310 is: 379,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,858 : 176,310 = 176,310 : x
  2. Step 2: Convert to fraction form
    81,858/176,310 = 176,310/x
  3. Step 3: Cross multiply
    81,858x = 176,310 × 176,310
  4. Step 4: Simplify right side
    81,858x = 31,085,216,100
  5. Step 5: Solve for x
    x = 31,085,216,100/81,858
  6. Step 6: Final answer
    x = 379,745.61

Related Problems

Find third proportional to 40,929 and 88,155
Half scale
Find third proportional to 163,716 and 352,620
Double scale
Find third proportional to 81,860 and 176,314
Similar ratio
Find third proportional to 122,787 and 264,465
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.