Home / 570.75-816.75

Finding the Third Proportional to 570.75 and 816.75

Calculator

Solution

The third proportional to 570.75 and 816.75 is: 1,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    570.75 : 816.75 = 816.75 : x
  2. Step 2: Convert to fraction form
    570.75/816.75 = 816.75/x
  3. Step 3: Cross multiply
    570.75x = 816.75 × 816.75
  4. Step 4: Simplify right side
    570.75x = 667,080.56
  5. Step 5: Solve for x
    x = 667,080.56/570.75
  6. Step 6: Final answer
    x = 1,168.78

Related Problems

Find third proportional to 285.38 and 408.38
Half scale
Find third proportional to 1,141.50 and 1,633.50
Double scale
Find third proportional to 573 and 820
Similar ratio
Find third proportional to 856.13 and 1,225.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.