Home / 211,467-493,440

Finding the Third Proportional to 211,467 and 493,440

Calculator

Solution

The third proportional to 211,467 and 493,440 is: 1,151,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,467 : 493,440 = 493,440 : x
  2. Step 2: Convert to fraction form
    211,467/493,440 = 493,440/x
  3. Step 3: Cross multiply
    211,467x = 493,440 × 493,440
  4. Step 4: Simplify right side
    211,467x = 243,483,033,600
  5. Step 5: Solve for x
    x = 243,483,033,600/211,467
  6. Step 6: Final answer
    x = 1,151,399.67

Related Problems

Find third proportional to 105,733.50 and 246,720
Half scale
Find third proportional to 422,934 and 986,880
Double scale
Find third proportional to 211,469 and 493,445
Similar ratio
Find third proportional to 317,200.50 and 740,160
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.