Home / 129,394-205,755

Finding the Third Proportional to 129,394 and 205,755

Calculator

Solution

The third proportional to 129,394 and 205,755 is: 327,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,394 : 205,755 = 205,755 : x
  2. Step 2: Convert to fraction form
    129,394/205,755 = 205,755/x
  3. Step 3: Cross multiply
    129,394x = 205,755 × 205,755
  4. Step 4: Simplify right side
    129,394x = 42,335,120,025
  5. Step 5: Solve for x
    x = 42,335,120,025/129,394
  6. Step 6: Final answer
    x = 327,179.93

Related Problems

Find third proportional to 64,697 and 102,877.50
Half scale
Find third proportional to 258,788 and 411,510
Double scale
Find third proportional to 129,396 and 205,758
Similar ratio
Find third proportional to 194,091 and 308,632.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.