Home / 172,802-247,107

Finding the Third Proportional to 172,802 and 247,107

Calculator

Solution

The third proportional to 172,802 and 247,107 is: 353,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,802 : 247,107 = 247,107 : x
  2. Step 2: Convert to fraction form
    172,802/247,107 = 247,107/x
  3. Step 3: Cross multiply
    172,802x = 247,107 × 247,107
  4. Step 4: Simplify right side
    172,802x = 61,061,869,449
  5. Step 5: Solve for x
    x = 61,061,869,449/172,802
  6. Step 6: Final answer
    x = 353,363.21

Related Problems

Find third proportional to 86,401 and 123,553.50
Half scale
Find third proportional to 345,604 and 494,214
Double scale
Find third proportional to 172,804 and 247,110
Similar ratio
Find third proportional to 259,203 and 370,660.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.