Home / 115,400-174,645

Finding the Third Proportional to 115,400 and 174,645

Calculator

Solution

The third proportional to 115,400 and 174,645 is: 264,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,400 : 174,645 = 174,645 : x
  2. Step 2: Convert to fraction form
    115,400/174,645 = 174,645/x
  3. Step 3: Cross multiply
    115,400x = 174,645 × 174,645
  4. Step 4: Simplify right side
    115,400x = 30,500,876,025
  5. Step 5: Solve for x
    x = 30,500,876,025/115,400
  6. Step 6: Final answer
    x = 264,305.68

Related Problems

Find third proportional to 57,700 and 87,322.50
Half scale
Find third proportional to 230,800 and 349,290
Double scale
Find third proportional to 115,402 and 174,648
Similar ratio
Find third proportional to 173,100 and 261,967.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.