Home / 128,031.75-188,757

Finding the Third Proportional to 128,031.75 and 188,757

Calculator

Solution

The third proportional to 128,031.75 and 188,757 is: 278,284.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,031.75 : 188,757 = 188,757 : x
  2. Step 2: Convert to fraction form
    128,031.75/188,757 = 188,757/x
  3. Step 3: Cross multiply
    128,031.75x = 188,757 × 188,757
  4. Step 4: Simplify right side
    128,031.75x = 35,629,205,049
  5. Step 5: Solve for x
    x = 35,629,205,049/128,031.75
  6. Step 6: Final answer
    x = 278,284.14

Related Problems

Find third proportional to 64,015.88 and 94,378.50
Half scale
Find third proportional to 256,063.50 and 377,514
Double scale
Find third proportional to 128,034 and 188,760
Similar ratio
Find third proportional to 192,047.63 and 283,135.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.