Home / 275,206-387,550

Finding the Third Proportional to 275,206 and 387,550

Calculator

Solution

The third proportional to 275,206 and 387,550 is: 545,754.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,206 : 387,550 = 387,550 : x
  2. Step 2: Convert to fraction form
    275,206/387,550 = 387,550/x
  3. Step 3: Cross multiply
    275,206x = 387,550 × 387,550
  4. Step 4: Simplify right side
    275,206x = 150,195,002,500
  5. Step 5: Solve for x
    x = 150,195,002,500/275,206
  6. Step 6: Final answer
    x = 545,754.83

Related Problems

Find third proportional to 137,603 and 193,775
Half scale
Find third proportional to 550,412 and 775,100
Double scale
Find third proportional to 275,208 and 387,553
Similar ratio
Find third proportional to 412,809 and 581,325
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.