Home / 102,620-220,518

Finding the Third Proportional to 102,620 and 220,518

Calculator

Solution

The third proportional to 102,620 and 220,518 is: 473,866.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,620 : 220,518 = 220,518 : x
  2. Step 2: Convert to fraction form
    102,620/220,518 = 220,518/x
  3. Step 3: Cross multiply
    102,620x = 220,518 × 220,518
  4. Step 4: Simplify right side
    102,620x = 48,628,188,324
  5. Step 5: Solve for x
    x = 48,628,188,324/102,620
  6. Step 6: Final answer
    x = 473,866.58

Related Problems

Find third proportional to 51,310 and 110,259
Half scale
Find third proportional to 205,240 and 441,036
Double scale
Find third proportional to 102,622 and 220,522
Similar ratio
Find third proportional to 153,930 and 330,777
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.