Home / 129,074-276,830

Finding the Third Proportional to 129,074 and 276,830

Calculator

Solution

The third proportional to 129,074 and 276,830 is: 593,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,074 : 276,830 = 276,830 : x
  2. Step 2: Convert to fraction form
    129,074/276,830 = 276,830/x
  3. Step 3: Cross multiply
    129,074x = 276,830 × 276,830
  4. Step 4: Simplify right side
    129,074x = 76,634,848,900
  5. Step 5: Solve for x
    x = 76,634,848,900/129,074
  6. Step 6: Final answer
    x = 593,728.01

Related Problems

Find third proportional to 64,537 and 138,415
Half scale
Find third proportional to 258,148 and 553,660
Double scale
Find third proportional to 129,076 and 276,834
Similar ratio
Find third proportional to 193,611 and 415,245
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.