Home / 115,278-176,415

Finding the Third Proportional to 115,278 and 176,415

Calculator

Solution

The third proportional to 115,278 and 176,415 is: 269,975.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,278 : 176,415 = 176,415 : x
  2. Step 2: Convert to fraction form
    115,278/176,415 = 176,415/x
  3. Step 3: Cross multiply
    115,278x = 176,415 × 176,415
  4. Step 4: Simplify right side
    115,278x = 31,122,252,225
  5. Step 5: Solve for x
    x = 31,122,252,225/115,278
  6. Step 6: Final answer
    x = 269,975.64

Related Problems

Find third proportional to 57,639 and 88,207.50
Half scale
Find third proportional to 230,556 and 352,830
Double scale
Find third proportional to 115,280 and 176,418
Similar ratio
Find third proportional to 172,917 and 264,622.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.