Home / 129,433-265,135

Finding the Third Proportional to 129,433 and 265,135

Calculator

Solution

The third proportional to 129,433 and 265,135 is: 543,111.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,433 : 265,135 = 265,135 : x
  2. Step 2: Convert to fraction form
    129,433/265,135 = 265,135/x
  3. Step 3: Cross multiply
    129,433x = 265,135 × 265,135
  4. Step 4: Simplify right side
    129,433x = 70,296,568,225
  5. Step 5: Solve for x
    x = 70,296,568,225/129,433
  6. Step 6: Final answer
    x = 543,111.63

Related Problems

Find third proportional to 64,716.50 and 132,567.50
Half scale
Find third proportional to 258,866 and 530,270
Double scale
Find third proportional to 129,435 and 265,139
Similar ratio
Find third proportional to 194,149.50 and 397,702.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.