Home / 500.75-677.75

Finding the Third Proportional to 500.75 and 677.75

Calculator

Solution

The third proportional to 500.75 and 677.75 is: 917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.75 : 677.75 = 677.75 : x
  2. Step 2: Convert to fraction form
    500.75/677.75 = 677.75/x
  3. Step 3: Cross multiply
    500.75x = 677.75 × 677.75
  4. Step 4: Simplify right side
    500.75x = 459,345.06
  5. Step 5: Solve for x
    x = 459,345.06/500.75
  6. Step 6: Final answer
    x = 917.31

Related Problems

Find third proportional to 250.38 and 338.88
Half scale
Find third proportional to 1,001.50 and 1,355.50
Double scale
Find third proportional to 503 and 680
Similar ratio
Find third proportional to 751.13 and 1,016.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.