Home / 100,998-212,440

Finding the Third Proportional to 100,998 and 212,440

Calculator

Solution

The third proportional to 100,998 and 212,440 is: 446,847.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,998 : 212,440 = 212,440 : x
  2. Step 2: Convert to fraction form
    100,998/212,440 = 212,440/x
  3. Step 3: Cross multiply
    100,998x = 212,440 × 212,440
  4. Step 4: Simplify right side
    100,998x = 45,130,753,600
  5. Step 5: Solve for x
    x = 45,130,753,600/100,998
  6. Step 6: Final answer
    x = 446,847.99

Related Problems

Find third proportional to 50,499 and 106,220
Half scale
Find third proportional to 201,996 and 424,880
Double scale
Find third proportional to 101,000 and 212,444
Similar ratio
Find third proportional to 151,497 and 318,660
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.