Home / 1,875-2,100

Finding the Third Proportional to 1,875 and 2,100

Calculator

Solution

The third proportional to 1,875 and 2,100 is: 2,352

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875 : 2,100 = 2,100 : x
  2. Step 2: Convert to fraction form
    1,875/2,100 = 2,100/x
  3. Step 3: Cross multiply
    1,875x = 2,100 × 2,100
  4. Step 4: Simplify right side
    1,875x = 4,410,000
  5. Step 5: Solve for x
    x = 4,410,000/1,875
  6. Step 6: Final answer
    x = 2,352

Related Problems

Find third proportional to 937.50 and 1,050
Half scale
Find third proportional to 3,750 and 4,200
Double scale
Find third proportional to 1,877 and 2,102
Similar ratio
Find third proportional to 2,812.50 and 3,150
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.