Home / 212,962-329,703

Finding the Third Proportional to 212,962 and 329,703

Calculator

Solution

The third proportional to 212,962 and 329,703 is: 510,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,962 : 329,703 = 329,703 : x
  2. Step 2: Convert to fraction form
    212,962/329,703 = 329,703/x
  3. Step 3: Cross multiply
    212,962x = 329,703 × 329,703
  4. Step 4: Simplify right side
    212,962x = 108,704,068,209
  5. Step 5: Solve for x
    x = 108,704,068,209/212,962
  6. Step 6: Final answer
    x = 510,438.80

Related Problems

Find third proportional to 106,481 and 164,851.50
Half scale
Find third proportional to 425,924 and 659,406
Double scale
Find third proportional to 212,964 and 329,706
Similar ratio
Find third proportional to 319,443 and 494,554.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.