Home / 191,298-280,803

Finding the Third Proportional to 191,298 and 280,803

Calculator

Solution

The third proportional to 191,298 and 280,803 is: 412,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,298 : 280,803 = 280,803 : x
  2. Step 2: Convert to fraction form
    191,298/280,803 = 280,803/x
  3. Step 3: Cross multiply
    191,298x = 280,803 × 280,803
  4. Step 4: Simplify right side
    191,298x = 78,850,324,809
  5. Step 5: Solve for x
    x = 78,850,324,809/191,298
  6. Step 6: Final answer
    x = 412,185.83

Related Problems

Find third proportional to 95,649 and 140,401.50
Half scale
Find third proportional to 382,596 and 561,606
Double scale
Find third proportional to 191,300 and 280,806
Similar ratio
Find third proportional to 286,947 and 421,204.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.