Home / 419,762-665,747

Finding the Third Proportional to 419,762 and 665,747

Calculator

Solution

The third proportional to 419,762 and 665,747 is: 1,055,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,762 : 665,747 = 665,747 : x
  2. Step 2: Convert to fraction form
    419,762/665,747 = 665,747/x
  3. Step 3: Cross multiply
    419,762x = 665,747 × 665,747
  4. Step 4: Simplify right side
    419,762x = 443,219,068,009
  5. Step 5: Solve for x
    x = 443,219,068,009/419,762
  6. Step 6: Final answer
    x = 1,055,881.83

Related Problems

Find third proportional to 209,881 and 332,873.50
Half scale
Find third proportional to 839,524 and 1,331,494
Double scale
Find third proportional to 419,764 and 665,750
Similar ratio
Find third proportional to 629,643 and 998,620.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.