Home / 133,682-178,395

Finding the Third Proportional to 133,682 and 178,395

Calculator

Solution

The third proportional to 133,682 and 178,395 is: 238,063.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,682 : 178,395 = 178,395 : x
  2. Step 2: Convert to fraction form
    133,682/178,395 = 178,395/x
  3. Step 3: Cross multiply
    133,682x = 178,395 × 178,395
  4. Step 4: Simplify right side
    133,682x = 31,824,776,025
  5. Step 5: Solve for x
    x = 31,824,776,025/133,682
  6. Step 6: Final answer
    x = 238,063.28

Related Problems

Find third proportional to 66,841 and 89,197.50
Half scale
Find third proportional to 267,364 and 356,790
Double scale
Find third proportional to 133,684 and 178,398
Similar ratio
Find third proportional to 200,523 and 267,592.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.