Home / 122,412-268,120

Finding the Third Proportional to 122,412 and 268,120

Calculator

Solution

The third proportional to 122,412 and 268,120 is: 587,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,412 : 268,120 = 268,120 : x
  2. Step 2: Convert to fraction form
    122,412/268,120 = 268,120/x
  3. Step 3: Cross multiply
    122,412x = 268,120 × 268,120
  4. Step 4: Simplify right side
    122,412x = 71,888,334,400
  5. Step 5: Solve for x
    x = 71,888,334,400/122,412
  6. Step 6: Final answer
    x = 587,265.42

Related Problems

Find third proportional to 61,206 and 134,060
Half scale
Find third proportional to 244,824 and 536,240
Double scale
Find third proportional to 122,414 and 268,124
Similar ratio
Find third proportional to 183,618 and 402,180
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.