Home / 354,665-778,234

Finding the Third Proportional to 354,665 and 778,234

Calculator

Solution

The third proportional to 354,665 and 778,234 is: 1,707,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,665 : 778,234 = 778,234 : x
  2. Step 2: Convert to fraction form
    354,665/778,234 = 778,234/x
  3. Step 3: Cross multiply
    354,665x = 778,234 × 778,234
  4. Step 4: Simplify right side
    354,665x = 605,648,158,756
  5. Step 5: Solve for x
    x = 605,648,158,756/354,665
  6. Step 6: Final answer
    x = 1,707,662.61

Related Problems

Find third proportional to 177,332.50 and 389,117
Half scale
Find third proportional to 709,330 and 1,556,468
Double scale
Find third proportional to 354,667 and 778,238
Similar ratio
Find third proportional to 531,997.50 and 1,167,351
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.