Home / 1,274-1,615

Finding the Third Proportional to 1,274 and 1,615

Calculator

Solution

The third proportional to 1,274 and 1,615 is: 2,047.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274 : 1,615 = 1,615 : x
  2. Step 2: Convert to fraction form
    1,274/1,615 = 1,615/x
  3. Step 3: Cross multiply
    1,274x = 1,615 × 1,615
  4. Step 4: Simplify right side
    1,274x = 2,608,225
  5. Step 5: Solve for x
    x = 2,608,225/1,274
  6. Step 6: Final answer
    x = 2,047.27

Related Problems

Find third proportional to 637 and 807.50
Half scale
Find third proportional to 2,548 and 3,230
Double scale
Find third proportional to 1,276 and 1,618
Similar ratio
Find third proportional to 1,911 and 2,422.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.