Home / 163,704-343,920

Finding the Third Proportional to 163,704 and 343,920

Calculator

Solution

The third proportional to 163,704 and 343,920 is: 722,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,704 : 343,920 = 343,920 : x
  2. Step 2: Convert to fraction form
    163,704/343,920 = 343,920/x
  3. Step 3: Cross multiply
    163,704x = 343,920 × 343,920
  4. Step 4: Simplify right side
    163,704x = 118,280,966,400
  5. Step 5: Solve for x
    x = 118,280,966,400/163,704
  6. Step 6: Final answer
    x = 722,529.48

Related Problems

Find third proportional to 81,852 and 171,960
Half scale
Find third proportional to 327,408 and 687,840
Double scale
Find third proportional to 163,706 and 343,924
Similar ratio
Find third proportional to 245,556 and 515,880
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.