Home / 136,260-211,474

Finding the Third Proportional to 136,260 and 211,474

Calculator

Solution

The third proportional to 136,260 and 211,474 is: 328,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,260 : 211,474 = 211,474 : x
  2. Step 2: Convert to fraction form
    136,260/211,474 = 211,474/x
  3. Step 3: Cross multiply
    136,260x = 211,474 × 211,474
  4. Step 4: Simplify right side
    136,260x = 44,721,252,676
  5. Step 5: Solve for x
    x = 44,721,252,676/136,260
  6. Step 6: Final answer
    x = 328,205.29

Related Problems

Find third proportional to 68,130 and 105,737
Half scale
Find third proportional to 272,520 and 422,948
Double scale
Find third proportional to 136,262 and 211,477
Similar ratio
Find third proportional to 204,390 and 317,211
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.