Home / 54,836-117,990

Finding the Third Proportional to 54,836 and 117,990

Calculator

Solution

The third proportional to 54,836 and 117,990 is: 253,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,836 : 117,990 = 117,990 : x
  2. Step 2: Convert to fraction form
    54,836/117,990 = 117,990/x
  3. Step 3: Cross multiply
    54,836x = 117,990 × 117,990
  4. Step 4: Simplify right side
    54,836x = 13,921,640,100
  5. Step 5: Solve for x
    x = 13,921,640,100/54,836
  6. Step 6: Final answer
    x = 253,877.75

Related Problems

Find third proportional to 27,418 and 58,995
Half scale
Find third proportional to 109,672 and 235,980
Double scale
Find third proportional to 54,838 and 117,994
Similar ratio
Find third proportional to 82,254 and 176,985
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.