Home / 82,781-173,057

Finding the Third Proportional to 82,781 and 173,057

Calculator

Solution

The third proportional to 82,781 and 173,057 is: 361,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,781 : 173,057 = 173,057 : x
  2. Step 2: Convert to fraction form
    82,781/173,057 = 173,057/x
  3. Step 3: Cross multiply
    82,781x = 173,057 × 173,057
  4. Step 4: Simplify right side
    82,781x = 29,948,725,249
  5. Step 5: Solve for x
    x = 29,948,725,249/82,781
  6. Step 6: Final answer
    x = 361,782.60

Related Problems

Find third proportional to 41,390.50 and 86,528.50
Half scale
Find third proportional to 165,562 and 346,114
Double scale
Find third proportional to 82,783 and 173,061
Similar ratio
Find third proportional to 124,171.50 and 259,585.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.