Home / 54,878-117,938

Finding the Third Proportional to 54,878 and 117,938

Calculator

Solution

The third proportional to 54,878 and 117,938 is: 253,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,878 : 117,938 = 117,938 : x
  2. Step 2: Convert to fraction form
    54,878/117,938 = 117,938/x
  3. Step 3: Cross multiply
    54,878x = 117,938 × 117,938
  4. Step 4: Simplify right side
    54,878x = 13,909,371,844
  5. Step 5: Solve for x
    x = 13,909,371,844/54,878
  6. Step 6: Final answer
    x = 253,459.89

Related Problems

Find third proportional to 27,439 and 58,969
Half scale
Find third proportional to 109,756 and 235,876
Double scale
Find third proportional to 54,880 and 117,942
Similar ratio
Find third proportional to 82,317 and 176,907
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.