Home / 1,257-1,257

Finding the Third Proportional to 1,257 and 1,257

Calculator

Solution

The third proportional to 1,257 and 1,257 is: 1,257

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257 : 1,257 = 1,257 : x
  2. Step 2: Convert to fraction form
    1,257/1,257 = 1,257/x
  3. Step 3: Cross multiply
    1,257x = 1,257 × 1,257
  4. Step 4: Simplify right side
    1,257x = 1,580,049
  5. Step 5: Solve for x
    x = 1,580,049/1,257
  6. Step 6: Final answer
    x = 1,257

Related Problems

Find third proportional to 628.50 and 628.50
Half scale
Find third proportional to 2,514 and 2,514
Double scale
Find third proportional to 1,259 and 1,259
Similar ratio
Find third proportional to 1,885.50 and 1,885.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.