Home / 172,898-262,902

Finding the Third Proportional to 172,898 and 262,902

Calculator

Solution

The third proportional to 172,898 and 262,902 is: 399,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,898 : 262,902 = 262,902 : x
  2. Step 2: Convert to fraction form
    172,898/262,902 = 262,902/x
  3. Step 3: Cross multiply
    172,898x = 262,902 × 262,902
  4. Step 4: Simplify right side
    172,898x = 69,117,461,604
  5. Step 5: Solve for x
    x = 69,117,461,604/172,898
  6. Step 6: Final answer
    x = 399,758.60

Related Problems

Find third proportional to 86,449 and 131,451
Half scale
Find third proportional to 345,796 and 525,804
Double scale
Find third proportional to 172,900 and 262,905
Similar ratio
Find third proportional to 259,347 and 394,353
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.