Home / 701.25-775.50

Finding the Third Proportional to 701.25 and 775.50

Calculator

Solution

The third proportional to 701.25 and 775.50 is: 857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.25 : 775.50 = 775.50 : x
  2. Step 2: Convert to fraction form
    701.25/775.50 = 775.50/x
  3. Step 3: Cross multiply
    701.25x = 775.50 × 775.50
  4. Step 4: Simplify right side
    701.25x = 601,400.25
  5. Step 5: Solve for x
    x = 601,400.25/701.25
  6. Step 6: Final answer
    x = 857.61

Related Problems

Find third proportional to 350.63 and 387.75
Half scale
Find third proportional to 1,402.50 and 1,551
Double scale
Find third proportional to 703 and 778
Similar ratio
Find third proportional to 1,051.88 and 1,163.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.