Home / 129,254-274,132

Finding the Third Proportional to 129,254 and 274,132

Calculator

Solution

The third proportional to 129,254 and 274,132 is: 581,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,254 : 274,132 = 274,132 : x
  2. Step 2: Convert to fraction form
    129,254/274,132 = 274,132/x
  3. Step 3: Cross multiply
    129,254x = 274,132 × 274,132
  4. Step 4: Simplify right side
    129,254x = 75,148,353,424
  5. Step 5: Solve for x
    x = 75,148,353,424/129,254
  6. Step 6: Final answer
    x = 581,400.60

Related Problems

Find third proportional to 64,627 and 137,066
Half scale
Find third proportional to 258,508 and 548,264
Double scale
Find third proportional to 129,256 and 274,136
Similar ratio
Find third proportional to 193,881 and 411,198
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.