Home / 171,040-268,307

Finding the Third Proportional to 171,040 and 268,307

Calculator

Solution

The third proportional to 171,040 and 268,307 is: 420,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,040 : 268,307 = 268,307 : x
  2. Step 2: Convert to fraction form
    171,040/268,307 = 268,307/x
  3. Step 3: Cross multiply
    171,040x = 268,307 × 268,307
  4. Step 4: Simplify right side
    171,040x = 71,988,646,249
  5. Step 5: Solve for x
    x = 71,988,646,249/171,040
  6. Step 6: Final answer
    x = 420,887.78

Related Problems

Find third proportional to 85,520 and 134,153.50
Half scale
Find third proportional to 342,080 and 536,614
Double scale
Find third proportional to 171,042 and 268,310
Similar ratio
Find third proportional to 256,560 and 402,460.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.