Home / 166,938-258,507

Finding the Third Proportional to 166,938 and 258,507

Calculator

Solution

The third proportional to 166,938 and 258,507 is: 400,303.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,938 : 258,507 = 258,507 : x
  2. Step 2: Convert to fraction form
    166,938/258,507 = 258,507/x
  3. Step 3: Cross multiply
    166,938x = 258,507 × 258,507
  4. Step 4: Simplify right side
    166,938x = 66,825,869,049
  5. Step 5: Solve for x
    x = 66,825,869,049/166,938
  6. Step 6: Final answer
    x = 400,303.52

Related Problems

Find third proportional to 83,469 and 129,253.50
Half scale
Find third proportional to 333,876 and 517,014
Double scale
Find third proportional to 166,940 and 258,510
Similar ratio
Find third proportional to 250,407 and 387,760.50
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.