Home / 172,034-378,052

Finding the Third Proportional to 172,034 and 378,052

Calculator

Solution

The third proportional to 172,034 and 378,052 is: 830,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,034 : 378,052 = 378,052 : x
  2. Step 2: Convert to fraction form
    172,034/378,052 = 378,052/x
  3. Step 3: Cross multiply
    172,034x = 378,052 × 378,052
  4. Step 4: Simplify right side
    172,034x = 142,923,314,704
  5. Step 5: Solve for x
    x = 142,923,314,704/172,034
  6. Step 6: Final answer
    x = 830,785.28

Related Problems

Find third proportional to 86,017 and 189,026
Half scale
Find third proportional to 344,068 and 756,104
Double scale
Find third proportional to 172,036 and 378,056
Similar ratio
Find third proportional to 258,051 and 567,078
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.