Home / 1,816-2,879.50

Finding the Third Proportional to 1,816 and 2,879.50

Calculator

Solution

The third proportional to 1,816 and 2,879.50 is: 4,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816 : 2,879.50 = 2,879.50 : x
  2. Step 2: Convert to fraction form
    1,816/2,879.50 = 2,879.50/x
  3. Step 3: Cross multiply
    1,816x = 2,879.50 × 2,879.50
  4. Step 4: Simplify right side
    1,816x = 8,291,520.25
  5. Step 5: Solve for x
    x = 8,291,520.25/1,816
  6. Step 6: Final answer
    x = 4,565.82

Related Problems

Find third proportional to 908 and 1,439.75
Half scale
Find third proportional to 3,632 and 5,759
Double scale
Find third proportional to 1,818 and 2,883
Similar ratio
Find third proportional to 2,724 and 4,319.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.