Home / 72,790-154,329

Finding the Third Proportional to 72,790 and 154,329

Calculator

Solution

The third proportional to 72,790 and 154,329 is: 327,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,790 : 154,329 = 154,329 : x
  2. Step 2: Convert to fraction form
    72,790/154,329 = 154,329/x
  3. Step 3: Cross multiply
    72,790x = 154,329 × 154,329
  4. Step 4: Simplify right side
    72,790x = 23,817,440,241
  5. Step 5: Solve for x
    x = 23,817,440,241/72,790
  6. Step 6: Final answer
    x = 327,207.59

Related Problems

Find third proportional to 36,395 and 77,164.50
Half scale
Find third proportional to 145,580 and 308,658
Double scale
Find third proportional to 72,792 and 154,333
Similar ratio
Find third proportional to 109,185 and 231,493.50
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.