Home / 262,668-406,320

Finding the Third Proportional to 262,668 and 406,320

Calculator

Solution

The third proportional to 262,668 and 406,320 is: 628,534.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,668 : 406,320 = 406,320 : x
  2. Step 2: Convert to fraction form
    262,668/406,320 = 406,320/x
  3. Step 3: Cross multiply
    262,668x = 406,320 × 406,320
  4. Step 4: Simplify right side
    262,668x = 165,095,942,400
  5. Step 5: Solve for x
    x = 165,095,942,400/262,668
  6. Step 6: Final answer
    x = 628,534.66

Related Problems

Find third proportional to 131,334 and 203,160
Half scale
Find third proportional to 525,336 and 812,640
Double scale
Find third proportional to 262,670 and 406,323
Similar ratio
Find third proportional to 394,002 and 609,480
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.