Home / 131,085-284,418

Finding the Third Proportional to 131,085 and 284,418

Calculator

Solution

The third proportional to 131,085 and 284,418 is: 617,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,085 : 284,418 = 284,418 : x
  2. Step 2: Convert to fraction form
    131,085/284,418 = 284,418/x
  3. Step 3: Cross multiply
    131,085x = 284,418 × 284,418
  4. Step 4: Simplify right side
    131,085x = 80,893,598,724
  5. Step 5: Solve for x
    x = 80,893,598,724/131,085
  6. Step 6: Final answer
    x = 617,107.97

Related Problems

Find third proportional to 65,542.50 and 142,209
Half scale
Find third proportional to 262,170 and 568,836
Double scale
Find third proportional to 131,087 and 284,422
Similar ratio
Find third proportional to 196,627.50 and 426,627
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.