Home / 397,662-602,285

Finding the Third Proportional to 397,662 and 602,285

Calculator

Solution

The third proportional to 397,662 and 602,285 is: 912,199.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,662 : 602,285 = 602,285 : x
  2. Step 2: Convert to fraction form
    397,662/602,285 = 602,285/x
  3. Step 3: Cross multiply
    397,662x = 602,285 × 602,285
  4. Step 4: Simplify right side
    397,662x = 362,747,221,225
  5. Step 5: Solve for x
    x = 362,747,221,225/397,662
  6. Step 6: Final answer
    x = 912,199.86

Related Problems

Find third proportional to 198,831 and 301,142.50
Half scale
Find third proportional to 795,324 and 1,204,570
Double scale
Find third proportional to 397,664 and 602,288
Similar ratio
Find third proportional to 596,493 and 903,427.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.