Home / 284,090-621,652

Finding the Third Proportional to 284,090 and 621,652

Calculator

Solution

The third proportional to 284,090 and 621,652 is: 1,360,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,090 : 621,652 = 621,652 : x
  2. Step 2: Convert to fraction form
    284,090/621,652 = 621,652/x
  3. Step 3: Cross multiply
    284,090x = 621,652 × 621,652
  4. Step 4: Simplify right side
    284,090x = 386,451,209,104
  5. Step 5: Solve for x
    x = 386,451,209,104/284,090
  6. Step 6: Final answer
    x = 1,360,312.61

Related Problems

Find third proportional to 142,045 and 310,826
Half scale
Find third proportional to 568,180 and 1,243,304
Double scale
Find third proportional to 284,092 and 621,656
Similar ratio
Find third proportional to 426,135 and 932,478
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.