Home / 1,283-1,916

Finding the Third Proportional to 1,283 and 1,916

Calculator

Solution

The third proportional to 1,283 and 1,916 is: 2,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283 : 1,916 = 1,916 : x
  2. Step 2: Convert to fraction form
    1,283/1,916 = 1,916/x
  3. Step 3: Cross multiply
    1,283x = 1,916 × 1,916
  4. Step 4: Simplify right side
    1,283x = 3,671,056
  5. Step 5: Solve for x
    x = 3,671,056/1,283
  6. Step 6: Final answer
    x = 2,861.31

Related Problems

Find third proportional to 641.50 and 958
Half scale
Find third proportional to 2,566 and 3,832
Double scale
Find third proportional to 1,285 and 1,919
Similar ratio
Find third proportional to 1,924.50 and 2,874
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.