Home / 166,892-258,257

Finding the Third Proportional to 166,892 and 258,257

Calculator

Solution

The third proportional to 166,892 and 258,257 is: 399,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,892 : 258,257 = 258,257 : x
  2. Step 2: Convert to fraction form
    166,892/258,257 = 258,257/x
  3. Step 3: Cross multiply
    166,892x = 258,257 × 258,257
  4. Step 4: Simplify right side
    166,892x = 66,696,678,049
  5. Step 5: Solve for x
    x = 66,696,678,049/166,892
  6. Step 6: Final answer
    x = 399,639.76

Related Problems

Find third proportional to 83,446 and 129,128.50
Half scale
Find third proportional to 333,784 and 516,514
Double scale
Find third proportional to 166,894 and 258,260
Similar ratio
Find third proportional to 250,338 and 387,385.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.