Home / 910.50-1,380.75

Finding the Third Proportional to 910.50 and 1,380.75

Calculator

Solution

The third proportional to 910.50 and 1,380.75 is: 2,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    910.50 : 1,380.75 = 1,380.75 : x
  2. Step 2: Convert to fraction form
    910.50/1,380.75 = 1,380.75/x
  3. Step 3: Cross multiply
    910.50x = 1,380.75 × 1,380.75
  4. Step 4: Simplify right side
    910.50x = 1,906,470.56
  5. Step 5: Solve for x
    x = 1,906,470.56/910.50
  6. Step 6: Final answer
    x = 2,093.87

Related Problems

Find third proportional to 455.25 and 690.38
Half scale
Find third proportional to 1,821 and 2,761.50
Double scale
Find third proportional to 913 and 1,384
Similar ratio
Find third proportional to 1,365.75 and 2,071.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.