Home / 238,470-505,371

Finding the Third Proportional to 238,470 and 505,371

Calculator

Solution

The third proportional to 238,470 and 505,371 is: 1,070,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,470 : 505,371 = 505,371 : x
  2. Step 2: Convert to fraction form
    238,470/505,371 = 505,371/x
  3. Step 3: Cross multiply
    238,470x = 505,371 × 505,371
  4. Step 4: Simplify right side
    238,470x = 255,399,847,641
  5. Step 5: Solve for x
    x = 255,399,847,641/238,470
  6. Step 6: Final answer
    x = 1,070,993.62

Related Problems

Find third proportional to 119,235 and 252,685.50
Half scale
Find third proportional to 476,940 and 1,010,742
Double scale
Find third proportional to 238,472 and 505,375
Similar ratio
Find third proportional to 357,705 and 758,056.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.