Home / 874.13-1,275.19

Finding the Third Proportional to 874.13 and 1,275.19

Calculator

Solution

The third proportional to 874.13 and 1,275.19 is: 1,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    874.13 : 1,275.19 = 1,275.19 : x
  2. Step 2: Convert to fraction form
    874.13/1,275.19 = 1,275.19/x
  3. Step 3: Cross multiply
    874.13x = 1,275.19 × 1,275.19
  4. Step 4: Simplify right side
    874.13x = 1,626,103.16
  5. Step 5: Solve for x
    x = 1,626,103.16/874.13
  6. Step 6: Final answer
    x = 1,860.26

Related Problems

Find third proportional to 437.06 and 637.59
Half scale
Find third proportional to 1,748.25 and 2,550.38
Double scale
Find third proportional to 876 and 1,278
Similar ratio
Find third proportional to 1,311.19 and 1,912.78
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.