Home / 356,626-485,730

Finding the Third Proportional to 356,626 and 485,730

Calculator

Solution

The third proportional to 356,626 and 485,730 is: 661,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,626 : 485,730 = 485,730 : x
  2. Step 2: Convert to fraction form
    356,626/485,730 = 485,730/x
  3. Step 3: Cross multiply
    356,626x = 485,730 × 485,730
  4. Step 4: Simplify right side
    356,626x = 235,933,632,900
  5. Step 5: Solve for x
    x = 235,933,632,900/356,626
  6. Step 6: Final answer
    x = 661,571.60

Related Problems

Find third proportional to 178,313 and 242,865
Half scale
Find third proportional to 713,252 and 971,460
Double scale
Find third proportional to 356,628 and 485,733
Similar ratio
Find third proportional to 534,939 and 728,595
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.