Home / 220,756-349,789

Finding the Third Proportional to 220,756 and 349,789

Calculator

Solution

The third proportional to 220,756 and 349,789 is: 554,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,756 : 349,789 = 349,789 : x
  2. Step 2: Convert to fraction form
    220,756/349,789 = 349,789/x
  3. Step 3: Cross multiply
    220,756x = 349,789 × 349,789
  4. Step 4: Simplify right side
    220,756x = 122,352,344,521
  5. Step 5: Solve for x
    x = 122,352,344,521/220,756
  6. Step 6: Final answer
    x = 554,242.44

Related Problems

Find third proportional to 110,378 and 174,894.50
Half scale
Find third proportional to 441,512 and 699,578
Double scale
Find third proportional to 220,758 and 349,792
Similar ratio
Find third proportional to 331,134 and 524,683.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.