Home / 875-1,869

Finding the Third Proportional to 875 and 1,869

Calculator

Solution

The third proportional to 875 and 1,869 is: 3,992.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    875 : 1,869 = 1,869 : x
  2. Step 2: Convert to fraction form
    875/1,869 = 1,869/x
  3. Step 3: Cross multiply
    875x = 1,869 × 1,869
  4. Step 4: Simplify right side
    875x = 3,493,161
  5. Step 5: Solve for x
    x = 3,493,161/875
  6. Step 6: Final answer
    x = 3,992.18

Related Problems

Find third proportional to 437.50 and 934.50
Half scale
Find third proportional to 1,750 and 3,738
Double scale
Find third proportional to 877 and 1,873
Similar ratio
Find third proportional to 1,312.50 and 2,803.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.