Home / 308,668-409,671

Finding the Third Proportional to 308,668 and 409,671

Calculator

Solution

The third proportional to 308,668 and 409,671 is: 543,724.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,668 : 409,671 = 409,671 : x
  2. Step 2: Convert to fraction form
    308,668/409,671 = 409,671/x
  3. Step 3: Cross multiply
    308,668x = 409,671 × 409,671
  4. Step 4: Simplify right side
    308,668x = 167,830,328,241
  5. Step 5: Solve for x
    x = 167,830,328,241/308,668
  6. Step 6: Final answer
    x = 543,724.42

Related Problems

Find third proportional to 154,334 and 204,835.50
Half scale
Find third proportional to 617,336 and 819,342
Double scale
Find third proportional to 308,670 and 409,674
Similar ratio
Find third proportional to 463,002 and 614,506.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.