Home / 54,720-117,805

Finding the Third Proportional to 54,720 and 117,805

Calculator

Solution

The third proportional to 54,720 and 117,805 is: 253,618.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,720 : 117,805 = 117,805 : x
  2. Step 2: Convert to fraction form
    54,720/117,805 = 117,805/x
  3. Step 3: Cross multiply
    54,720x = 117,805 × 117,805
  4. Step 4: Simplify right side
    54,720x = 13,878,018,025
  5. Step 5: Solve for x
    x = 13,878,018,025/54,720
  6. Step 6: Final answer
    x = 253,618.75

Related Problems

Find third proportional to 27,360 and 58,902.50
Half scale
Find third proportional to 109,440 and 235,610
Double scale
Find third proportional to 54,722 and 117,809
Similar ratio
Find third proportional to 82,080 and 176,707.50
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.