Home / 117,589-258,589

Finding the Third Proportional to 117,589 and 258,589

Calculator

Solution

The third proportional to 117,589 and 258,589 is: 568,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,589 : 258,589 = 258,589 : x
  2. Step 2: Convert to fraction form
    117,589/258,589 = 258,589/x
  3. Step 3: Cross multiply
    117,589x = 258,589 × 258,589
  4. Step 4: Simplify right side
    117,589x = 66,868,270,921
  5. Step 5: Solve for x
    x = 66,868,270,921/117,589
  6. Step 6: Final answer
    x = 568,660.94

Related Problems

Find third proportional to 58,794.50 and 129,294.50
Half scale
Find third proportional to 235,178 and 517,178
Double scale
Find third proportional to 117,591 and 258,593
Similar ratio
Find third proportional to 176,383.50 and 387,883.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.