Home / 166,760-258,684

Finding the Third Proportional to 166,760 and 258,684

Calculator

Solution

The third proportional to 166,760 and 258,684 is: 401,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,760 : 258,684 = 258,684 : x
  2. Step 2: Convert to fraction form
    166,760/258,684 = 258,684/x
  3. Step 3: Cross multiply
    166,760x = 258,684 × 258,684
  4. Step 4: Simplify right side
    166,760x = 66,917,411,856
  5. Step 5: Solve for x
    x = 66,917,411,856/166,760
  6. Step 6: Final answer
    x = 401,279.75

Related Problems

Find third proportional to 83,380 and 129,342
Half scale
Find third proportional to 333,520 and 517,368
Double scale
Find third proportional to 166,762 and 258,687
Similar ratio
Find third proportional to 250,140 and 388,026
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.