Home / 1,283-2,728

Finding the Third Proportional to 1,283 and 2,728

Calculator

Solution

The third proportional to 1,283 and 2,728 is: 5,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283 : 2,728 = 2,728 : x
  2. Step 2: Convert to fraction form
    1,283/2,728 = 2,728/x
  3. Step 3: Cross multiply
    1,283x = 2,728 × 2,728
  4. Step 4: Simplify right side
    1,283x = 7,441,984
  5. Step 5: Solve for x
    x = 7,441,984/1,283
  6. Step 6: Final answer
    x = 5,800.46

Related Problems

Find third proportional to 641.50 and 1,364
Half scale
Find third proportional to 2,566 and 5,456
Double scale
Find third proportional to 1,285 and 2,732
Similar ratio
Find third proportional to 1,924.50 and 4,092
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.