Home / 219,510-328,329

Finding the Third Proportional to 219,510 and 328,329

Calculator

Solution

The third proportional to 219,510 and 328,329 is: 491,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,510 : 328,329 = 328,329 : x
  2. Step 2: Convert to fraction form
    219,510/328,329 = 328,329/x
  3. Step 3: Cross multiply
    219,510x = 328,329 × 328,329
  4. Step 4: Simplify right side
    219,510x = 107,799,932,241
  5. Step 5: Solve for x
    x = 107,799,932,241/219,510
  6. Step 6: Final answer
    x = 491,093.49

Related Problems

Find third proportional to 109,755 and 164,164.50
Half scale
Find third proportional to 439,020 and 656,658
Double scale
Find third proportional to 219,512 and 328,332
Similar ratio
Find third proportional to 329,265 and 492,493.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.