Home / 161,728-331,452

Finding the Third Proportional to 161,728 and 331,452

Calculator

Solution

The third proportional to 161,728 and 331,452 is: 679,291.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,728 : 331,452 = 331,452 : x
  2. Step 2: Convert to fraction form
    161,728/331,452 = 331,452/x
  3. Step 3: Cross multiply
    161,728x = 331,452 × 331,452
  4. Step 4: Simplify right side
    161,728x = 109,860,428,304
  5. Step 5: Solve for x
    x = 109,860,428,304/161,728
  6. Step 6: Final answer
    x = 679,291.33

Related Problems

Find third proportional to 80,864 and 165,726
Half scale
Find third proportional to 323,456 and 662,904
Double scale
Find third proportional to 161,730 and 331,456
Similar ratio
Find third proportional to 242,592 and 497,178
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.