Home / 149,420-323,728

Finding the Third Proportional to 149,420 and 323,728

Calculator

Solution

The third proportional to 149,420 and 323,728 is: 701,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,420 : 323,728 = 323,728 : x
  2. Step 2: Convert to fraction form
    149,420/323,728 = 323,728/x
  3. Step 3: Cross multiply
    149,420x = 323,728 × 323,728
  4. Step 4: Simplify right side
    149,420x = 104,799,817,984
  5. Step 5: Solve for x
    x = 104,799,817,984/149,420
  6. Step 6: Final answer
    x = 701,377.45

Related Problems

Find third proportional to 74,710 and 161,864
Half scale
Find third proportional to 298,840 and 647,456
Double scale
Find third proportional to 149,422 and 323,732
Similar ratio
Find third proportional to 224,130 and 485,592
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.