Home / 90,391-197,441

Finding the Third Proportional to 90,391 and 197,441

Calculator

Solution

The third proportional to 90,391 and 197,441 is: 431,270.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,391 : 197,441 = 197,441 : x
  2. Step 2: Convert to fraction form
    90,391/197,441 = 197,441/x
  3. Step 3: Cross multiply
    90,391x = 197,441 × 197,441
  4. Step 4: Simplify right side
    90,391x = 38,982,948,481
  5. Step 5: Solve for x
    x = 38,982,948,481/90,391
  6. Step 6: Final answer
    x = 431,270.24

Related Problems

Find third proportional to 45,195.50 and 98,720.50
Half scale
Find third proportional to 180,782 and 394,882
Double scale
Find third proportional to 90,393 and 197,445
Similar ratio
Find third proportional to 135,586.50 and 296,161.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.