Home / 54,290-117,860

Finding the Third Proportional to 54,290 and 117,860

Calculator

Solution

The third proportional to 54,290 and 117,860 is: 255,866.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,290 : 117,860 = 117,860 : x
  2. Step 2: Convert to fraction form
    54,290/117,860 = 117,860/x
  3. Step 3: Cross multiply
    54,290x = 117,860 × 117,860
  4. Step 4: Simplify right side
    54,290x = 13,890,979,600
  5. Step 5: Solve for x
    x = 13,890,979,600/54,290
  6. Step 6: Final answer
    x = 255,866.27

Related Problems

Find third proportional to 27,145 and 58,930
Half scale
Find third proportional to 108,580 and 235,720
Double scale
Find third proportional to 54,292 and 117,864
Similar ratio
Find third proportional to 81,435 and 176,790
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.