Home / 284,086-621,628

Finding the Third Proportional to 284,086 and 621,628

Calculator

Solution

The third proportional to 284,086 and 621,628 is: 1,360,226.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,086 : 621,628 = 621,628 : x
  2. Step 2: Convert to fraction form
    284,086/621,628 = 621,628/x
  3. Step 3: Cross multiply
    284,086x = 621,628 × 621,628
  4. Step 4: Simplify right side
    284,086x = 386,421,370,384
  5. Step 5: Solve for x
    x = 386,421,370,384/284,086
  6. Step 6: Final answer
    x = 1,360,226.73

Related Problems

Find third proportional to 142,043 and 310,814
Half scale
Find third proportional to 568,172 and 1,243,256
Double scale
Find third proportional to 284,088 and 621,632
Similar ratio
Find third proportional to 426,129 and 932,442
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.