Home / 261,272-396,496

Finding the Third Proportional to 261,272 and 396,496

Calculator

Solution

The third proportional to 261,272 and 396,496 is: 601,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,272 : 396,496 = 396,496 : x
  2. Step 2: Convert to fraction form
    261,272/396,496 = 396,496/x
  3. Step 3: Cross multiply
    261,272x = 396,496 × 396,496
  4. Step 4: Simplify right side
    261,272x = 157,209,078,016
  5. Step 5: Solve for x
    x = 157,209,078,016/261,272
  6. Step 6: Final answer
    x = 601,706.57

Related Problems

Find third proportional to 130,636 and 198,248
Half scale
Find third proportional to 522,544 and 792,992
Double scale
Find third proportional to 261,274 and 396,499
Similar ratio
Find third proportional to 391,908 and 594,744
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.