Home / 86,153-182,728

Finding the Third Proportional to 86,153 and 182,728

Calculator

Solution

The third proportional to 86,153 and 182,728 is: 387,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,153 : 182,728 = 182,728 : x
  2. Step 2: Convert to fraction form
    86,153/182,728 = 182,728/x
  3. Step 3: Cross multiply
    86,153x = 182,728 × 182,728
  4. Step 4: Simplify right side
    86,153x = 33,389,521,984
  5. Step 5: Solve for x
    x = 33,389,521,984/86,153
  6. Step 6: Final answer
    x = 387,560.76

Related Problems

Find third proportional to 43,076.50 and 91,364
Half scale
Find third proportional to 172,306 and 365,456
Double scale
Find third proportional to 86,155 and 182,732
Similar ratio
Find third proportional to 129,229.50 and 274,092
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.