Home / 179,638-299,380

Finding the Third Proportional to 179,638 and 299,380

Calculator

Solution

The third proportional to 179,638 and 299,380 is: 498,938.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,638 : 299,380 = 299,380 : x
  2. Step 2: Convert to fraction form
    179,638/299,380 = 299,380/x
  3. Step 3: Cross multiply
    179,638x = 299,380 × 299,380
  4. Step 4: Simplify right side
    179,638x = 89,628,384,400
  5. Step 5: Solve for x
    x = 89,628,384,400/179,638
  6. Step 6: Final answer
    x = 498,938.89

Related Problems

Find third proportional to 89,819 and 149,690
Half scale
Find third proportional to 359,276 and 598,760
Double scale
Find third proportional to 179,640 and 299,383
Similar ratio
Find third proportional to 269,457 and 449,070
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.