Home / 154,560-325,728

Finding the Third Proportional to 154,560 and 325,728

Calculator

Solution

The third proportional to 154,560 and 325,728 is: 686,456.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,560 : 325,728 = 325,728 : x
  2. Step 2: Convert to fraction form
    154,560/325,728 = 325,728/x
  3. Step 3: Cross multiply
    154,560x = 325,728 × 325,728
  4. Step 4: Simplify right side
    154,560x = 106,098,729,984
  5. Step 5: Solve for x
    x = 106,098,729,984/154,560
  6. Step 6: Final answer
    x = 686,456.59

Related Problems

Find third proportional to 77,280 and 162,864
Half scale
Find third proportional to 309,120 and 651,456
Double scale
Find third proportional to 154,562 and 325,732
Similar ratio
Find third proportional to 231,840 and 488,592
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.