Home / 100,858-133,791

Finding the Third Proportional to 100,858 and 133,791

Calculator

Solution

The third proportional to 100,858 and 133,791 is: 177,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,858 : 133,791 = 133,791 : x
  2. Step 2: Convert to fraction form
    100,858/133,791 = 133,791/x
  3. Step 3: Cross multiply
    100,858x = 133,791 × 133,791
  4. Step 4: Simplify right side
    100,858x = 17,900,031,681
  5. Step 5: Solve for x
    x = 17,900,031,681/100,858
  6. Step 6: Final answer
    x = 177,477.56

Related Problems

Find third proportional to 50,429 and 66,895.50
Half scale
Find third proportional to 201,716 and 267,582
Double scale
Find third proportional to 100,860 and 133,794
Similar ratio
Find third proportional to 151,287 and 200,686.50
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.