Home / 80,724,078-172,211,130

Finding the Third Proportional to 80,724,078 and 172,211,130

Calculator

Solution

The third proportional to 80,724,078 and 172,211,130 is: 367,383,239.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,724,078 : 172,211,130 = 172,211,130 : x
  2. Step 2: Convert to fraction form
    80,724,078/172,211,130 = 172,211,130/x
  3. Step 3: Cross multiply
    80,724,078x = 172,211,130 × 172,211,130
  4. Step 4: Simplify right side
    80,724,078x = 29,656,673,295,876,900
  5. Step 5: Solve for x
    x = 29,656,673,295,876,900/80,724,078
  6. Step 6: Final answer
    x = 367,383,239.68

Related Problems

Find third proportional to 40,362,039 and 86,105,565
Half scale
Find third proportional to 161,448,156 and 344,422,260
Double scale
Find third proportional to 80,724,080 and 172,211,134
Similar ratio
Find third proportional to 121,086,117 and 258,316,695
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.