Home / 1,055-1,136

Finding the Third Proportional to 1,055 and 1,136

Calculator

Solution

The third proportional to 1,055 and 1,136 is: 1,223.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055 : 1,136 = 1,136 : x
  2. Step 2: Convert to fraction form
    1,055/1,136 = 1,136/x
  3. Step 3: Cross multiply
    1,055x = 1,136 × 1,136
  4. Step 4: Simplify right side
    1,055x = 1,290,496
  5. Step 5: Solve for x
    x = 1,290,496/1,055
  6. Step 6: Final answer
    x = 1,223.22

Related Problems

Find third proportional to 527.50 and 568
Half scale
Find third proportional to 2,110 and 2,272
Double scale
Find third proportional to 1,057 and 1,138
Similar ratio
Find third proportional to 1,582.50 and 1,704
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.