Home / 1,276-2,288

Finding the Third Proportional to 1,276 and 2,288

Calculator

Solution

The third proportional to 1,276 and 2,288 is: 4,102.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276 : 2,288 = 2,288 : x
  2. Step 2: Convert to fraction form
    1,276/2,288 = 2,288/x
  3. Step 3: Cross multiply
    1,276x = 2,288 × 2,288
  4. Step 4: Simplify right side
    1,276x = 5,234,944
  5. Step 5: Solve for x
    x = 5,234,944/1,276
  6. Step 6: Final answer
    x = 4,102.62

Related Problems

Find third proportional to 638 and 1,144
Half scale
Find third proportional to 2,552 and 4,576
Double scale
Find third proportional to 1,278 and 2,292
Similar ratio
Find third proportional to 1,914 and 3,432
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.