Home / 100,857-133,789

Finding the Third Proportional to 100,857 and 133,789

Calculator

Solution

The third proportional to 100,857 and 133,789 is: 177,474.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,857 : 133,789 = 133,789 : x
  2. Step 2: Convert to fraction form
    100,857/133,789 = 133,789/x
  3. Step 3: Cross multiply
    100,857x = 133,789 × 133,789
  4. Step 4: Simplify right side
    100,857x = 17,899,496,521
  5. Step 5: Solve for x
    x = 17,899,496,521/100,857
  6. Step 6: Final answer
    x = 177,474.01

Related Problems

Find third proportional to 50,428.50 and 66,894.50
Half scale
Find third proportional to 201,714 and 267,578
Double scale
Find third proportional to 100,859 and 133,792
Similar ratio
Find third proportional to 151,285.50 and 200,683.50
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.