Home / 57,142-117,068

Finding the Third Proportional to 57,142 and 117,068

Calculator

Solution

The third proportional to 57,142 and 117,068 is: 239,839.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,142 : 117,068 = 117,068 : x
  2. Step 2: Convert to fraction form
    57,142/117,068 = 117,068/x
  3. Step 3: Cross multiply
    57,142x = 117,068 × 117,068
  4. Step 4: Simplify right side
    57,142x = 13,704,916,624
  5. Step 5: Solve for x
    x = 13,704,916,624/57,142
  6. Step 6: Final answer
    x = 239,839.64

Related Problems

Find third proportional to 28,571 and 58,534
Half scale
Find third proportional to 114,284 and 234,136
Double scale
Find third proportional to 57,144 and 117,072
Similar ratio
Find third proportional to 85,713 and 175,602
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.