Home / 136,168-299,215

Finding the Third Proportional to 136,168 and 299,215

Calculator

Solution

The third proportional to 136,168 and 299,215 is: 657,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,168 : 299,215 = 299,215 : x
  2. Step 2: Convert to fraction form
    136,168/299,215 = 299,215/x
  3. Step 3: Cross multiply
    136,168x = 299,215 × 299,215
  4. Step 4: Simplify right side
    136,168x = 89,529,616,225
  5. Step 5: Solve for x
    x = 89,529,616,225/136,168
  6. Step 6: Final answer
    x = 657,493.80

Related Problems

Find third proportional to 68,084 and 149,607.50
Half scale
Find third proportional to 272,336 and 598,430
Double scale
Find third proportional to 136,170 and 299,219
Similar ratio
Find third proportional to 204,252 and 448,822.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.