Home / 440.30-697.22

Finding the Third Proportional to 440.30 and 697.22

Calculator

Solution

The third proportional to 440.30 and 697.22 is: 1,104.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.30 : 697.22 = 697.22 : x
  2. Step 2: Convert to fraction form
    440.30/697.22 = 697.22/x
  3. Step 3: Cross multiply
    440.30x = 697.22 × 697.22
  4. Step 4: Simplify right side
    440.30x = 486,113.99
  5. Step 5: Solve for x
    x = 486,113.99/440.30
  6. Step 6: Final answer
    x = 1,104.06

Related Problems

Find third proportional to 220.15 and 348.61
Half scale
Find third proportional to 880.59 and 1,394.44
Double scale
Find third proportional to 442 and 700
Similar ratio
Find third proportional to 660.45 and 1,045.83
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.