Home / 218,350-331,464

Finding the Third Proportional to 218,350 and 331,464

Calculator

Solution

The third proportional to 218,350 and 331,464 is: 503,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,350 : 331,464 = 331,464 : x
  2. Step 2: Convert to fraction form
    218,350/331,464 = 331,464/x
  3. Step 3: Cross multiply
    218,350x = 331,464 × 331,464
  4. Step 4: Simplify right side
    218,350x = 109,868,383,296
  5. Step 5: Solve for x
    x = 109,868,383,296/218,350
  6. Step 6: Final answer
    x = 503,175.56

Related Problems

Find third proportional to 109,175 and 165,732
Half scale
Find third proportional to 436,700 and 662,928
Double scale
Find third proportional to 218,352 and 331,467
Similar ratio
Find third proportional to 327,525 and 497,196
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.