Home / 99,450-210,456

Finding the Third Proportional to 99,450 and 210,456

Calculator

Solution

The third proportional to 99,450 and 210,456 is: 445,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,450 : 210,456 = 210,456 : x
  2. Step 2: Convert to fraction form
    99,450/210,456 = 210,456/x
  3. Step 3: Cross multiply
    99,450x = 210,456 × 210,456
  4. Step 4: Simplify right side
    99,450x = 44,291,727,936
  5. Step 5: Solve for x
    x = 44,291,727,936/99,450
  6. Step 6: Final answer
    x = 445,366.80

Related Problems

Find third proportional to 49,725 and 105,228
Half scale
Find third proportional to 198,900 and 420,912
Double scale
Find third proportional to 99,452 and 210,460
Similar ratio
Find third proportional to 149,175 and 315,684
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.