Home / 283-493

Finding the Third Proportional to 283 and 493

Calculator

Solution

The third proportional to 283 and 493 is: 858.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    283 : 493 = 493 : x
  2. Step 2: Convert to fraction form
    283/493 = 493/x
  3. Step 3: Cross multiply
    283x = 493 × 493
  4. Step 4: Simplify right side
    283x = 243,049
  5. Step 5: Solve for x
    x = 243,049/283
  6. Step 6: Final answer
    x = 858.83

Related Problems

Find third proportional to 141.50 and 246.50
Half scale
Find third proportional to 566 and 986
Double scale
Find third proportional to 285 and 496
Similar ratio
Find third proportional to 424.50 and 739.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.