Home / 55,518-122,106

Finding the Third Proportional to 55,518 and 122,106

Calculator

Solution

The third proportional to 55,518 and 122,106 is: 268,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,518 : 122,106 = 122,106 : x
  2. Step 2: Convert to fraction form
    55,518/122,106 = 122,106/x
  3. Step 3: Cross multiply
    55,518x = 122,106 × 122,106
  4. Step 4: Simplify right side
    55,518x = 14,909,875,236
  5. Step 5: Solve for x
    x = 14,909,875,236/55,518
  6. Step 6: Final answer
    x = 268,559.30

Related Problems

Find third proportional to 27,759 and 61,053
Half scale
Find third proportional to 111,036 and 244,212
Double scale
Find third proportional to 55,520 and 122,110
Similar ratio
Find third proportional to 83,277 and 183,159
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.