Home / 550-912

Finding the Third Proportional to 550 and 912

Calculator

Solution

The third proportional to 550 and 912 is: 1,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    550 : 912 = 912 : x
  2. Step 2: Convert to fraction form
    550/912 = 912/x
  3. Step 3: Cross multiply
    550x = 912 × 912
  4. Step 4: Simplify right side
    550x = 831,744
  5. Step 5: Solve for x
    x = 831,744/550
  6. Step 6: Final answer
    x = 1,512.26

Related Problems

Find third proportional to 275 and 456
Half scale
Find third proportional to 1,100 and 1,824
Double scale
Find third proportional to 552 and 915
Similar ratio
Find third proportional to 825 and 1,368
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.