Home / 53,907-117,138

Finding the Third Proportional to 53,907 and 117,138

Calculator

Solution

The third proportional to 53,907 and 117,138 is: 254,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,907 : 117,138 = 117,138 : x
  2. Step 2: Convert to fraction form
    53,907/117,138 = 117,138/x
  3. Step 3: Cross multiply
    53,907x = 117,138 × 117,138
  4. Step 4: Simplify right side
    53,907x = 13,721,311,044
  5. Step 5: Solve for x
    x = 13,721,311,044/53,907
  6. Step 6: Final answer
    x = 254,536.72

Related Problems

Find third proportional to 26,953.50 and 58,569
Half scale
Find third proportional to 107,814 and 234,276
Double scale
Find third proportional to 53,909 and 117,142
Similar ratio
Find third proportional to 80,860.50 and 175,707
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.