Home / 190,508-407,260

Finding the Third Proportional to 190,508 and 407,260

Calculator

Solution

The third proportional to 190,508 and 407,260 is: 870,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,508 : 407,260 = 407,260 : x
  2. Step 2: Convert to fraction form
    190,508/407,260 = 407,260/x
  3. Step 3: Cross multiply
    190,508x = 407,260 × 407,260
  4. Step 4: Simplify right side
    190,508x = 165,860,707,600
  5. Step 5: Solve for x
    x = 165,860,707,600/190,508
  6. Step 6: Final answer
    x = 870,623.32

Related Problems

Find third proportional to 95,254 and 203,630
Half scale
Find third proportional to 381,016 and 814,520
Double scale
Find third proportional to 190,510 and 407,264
Similar ratio
Find third proportional to 285,762 and 610,890
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.