Home / 1,878-2,707.50

Finding the Third Proportional to 1,878 and 2,707.50

Calculator

Solution

The third proportional to 1,878 and 2,707.50 is: 3,903.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878 : 2,707.50 = 2,707.50 : x
  2. Step 2: Convert to fraction form
    1,878/2,707.50 = 2,707.50/x
  3. Step 3: Cross multiply
    1,878x = 2,707.50 × 2,707.50
  4. Step 4: Simplify right side
    1,878x = 7,330,556.25
  5. Step 5: Solve for x
    x = 7,330,556.25/1,878
  6. Step 6: Final answer
    x = 3,903.38

Related Problems

Find third proportional to 939 and 1,353.75
Half scale
Find third proportional to 3,756 and 5,415
Double scale
Find third proportional to 1,880 and 2,710
Similar ratio
Find third proportional to 2,817 and 4,061.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.