Home / 401,760-607,824

Finding the Third Proportional to 401,760 and 607,824

Calculator

Solution

The third proportional to 401,760 and 607,824 is: 919,578.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,760 : 607,824 = 607,824 : x
  2. Step 2: Convert to fraction form
    401,760/607,824 = 607,824/x
  3. Step 3: Cross multiply
    401,760x = 607,824 × 607,824
  4. Step 4: Simplify right side
    401,760x = 369,450,014,976
  5. Step 5: Solve for x
    x = 369,450,014,976/401,760
  6. Step 6: Final answer
    x = 919,578.89

Related Problems

Find third proportional to 200,880 and 303,912
Half scale
Find third proportional to 803,520 and 1,215,648
Double scale
Find third proportional to 401,762 and 607,827
Similar ratio
Find third proportional to 602,640 and 911,736
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.