Home / 205,424-451,120

Finding the Third Proportional to 205,424 and 451,120

Calculator

Solution

The third proportional to 205,424 and 451,120 is: 990,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,424 : 451,120 = 451,120 : x
  2. Step 2: Convert to fraction form
    205,424/451,120 = 451,120/x
  3. Step 3: Cross multiply
    205,424x = 451,120 × 451,120
  4. Step 4: Simplify right side
    205,424x = 203,509,254,400
  5. Step 5: Solve for x
    x = 203,509,254,400/205,424
  6. Step 6: Final answer
    x = 990,679.06

Related Problems

Find third proportional to 102,712 and 225,560
Half scale
Find third proportional to 410,848 and 902,240
Double scale
Find third proportional to 205,426 and 451,124
Similar ratio
Find third proportional to 308,136 and 676,680
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.