Home / 262.78-571.78

Finding the Third Proportional to 262.78 and 571.78

Calculator

Solution

The third proportional to 262.78 and 571.78 is: 1,244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.78 : 571.78 = 571.78 : x
  2. Step 2: Convert to fraction form
    262.78/571.78 = 571.78/x
  3. Step 3: Cross multiply
    262.78x = 571.78 × 571.78
  4. Step 4: Simplify right side
    262.78x = 326,933.80
  5. Step 5: Solve for x
    x = 326,933.80/262.78
  6. Step 6: Final answer
    x = 1,244.13

Related Problems

Find third proportional to 131.39 and 285.89
Half scale
Find third proportional to 525.56 and 1,143.56
Double scale
Find third proportional to 265 and 576
Similar ratio
Find third proportional to 394.17 and 857.67
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.