Home / 109,804-239,687

Finding the Third Proportional to 109,804 and 239,687

Calculator

Solution

The third proportional to 109,804 and 239,687 is: 523,203.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,804 : 239,687 = 239,687 : x
  2. Step 2: Convert to fraction form
    109,804/239,687 = 239,687/x
  3. Step 3: Cross multiply
    109,804x = 239,687 × 239,687
  4. Step 4: Simplify right side
    109,804x = 57,449,857,969
  5. Step 5: Solve for x
    x = 57,449,857,969/109,804
  6. Step 6: Final answer
    x = 523,203.69

Related Problems

Find third proportional to 54,902 and 119,843.50
Half scale
Find third proportional to 219,608 and 479,374
Double scale
Find third proportional to 109,806 and 239,691
Similar ratio
Find third proportional to 164,706 and 359,530.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.