Home / 1,250-1,875

Finding the Third Proportional to 1,250 and 1,875

Calculator

Solution

The third proportional to 1,250 and 1,875 is: 2,812.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250 : 1,875 = 1,875 : x
  2. Step 2: Convert to fraction form
    1,250/1,875 = 1,875/x
  3. Step 3: Cross multiply
    1,250x = 1,875 × 1,875
  4. Step 4: Simplify right side
    1,250x = 3,515,625
  5. Step 5: Solve for x
    x = 3,515,625/1,250
  6. Step 6: Final answer
    x = 2,812.50

Related Problems

Find third proportional to 625 and 937.50
Half scale
Find third proportional to 2,500 and 3,750
Double scale
Find third proportional to 1,252 and 1,878
Similar ratio
Find third proportional to 1,875 and 2,812.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.