Home / 90,439-196,441

Finding the Third Proportional to 90,439 and 196,441

Calculator

Solution

The third proportional to 90,439 and 196,441 is: 426,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,439 : 196,441 = 196,441 : x
  2. Step 2: Convert to fraction form
    90,439/196,441 = 196,441/x
  3. Step 3: Cross multiply
    90,439x = 196,441 × 196,441
  4. Step 4: Simplify right side
    90,439x = 38,589,066,481
  5. Step 5: Solve for x
    x = 38,589,066,481/90,439
  6. Step 6: Final answer
    x = 426,686.13

Related Problems

Find third proportional to 45,219.50 and 98,220.50
Half scale
Find third proportional to 180,878 and 392,882
Double scale
Find third proportional to 90,441 and 196,445
Similar ratio
Find third proportional to 135,658.50 and 294,661.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.