Home / 141,900-211,620

Finding the Third Proportional to 141,900 and 211,620

Calculator

Solution

The third proportional to 141,900 and 211,620 is: 315,595.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,900 : 211,620 = 211,620 : x
  2. Step 2: Convert to fraction form
    141,900/211,620 = 211,620/x
  3. Step 3: Cross multiply
    141,900x = 211,620 × 211,620
  4. Step 4: Simplify right side
    141,900x = 44,783,024,400
  5. Step 5: Solve for x
    x = 44,783,024,400/141,900
  6. Step 6: Final answer
    x = 315,595.66

Related Problems

Find third proportional to 70,950 and 105,810
Half scale
Find third proportional to 283,800 and 423,240
Double scale
Find third proportional to 141,902 and 211,623
Similar ratio
Find third proportional to 212,850 and 317,430
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.