Home / 792.25-1,639.75

Finding the Third Proportional to 792.25 and 1,639.75

Calculator

Solution

The third proportional to 792.25 and 1,639.75 is: 3,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.25 : 1,639.75 = 1,639.75 : x
  2. Step 2: Convert to fraction form
    792.25/1,639.75 = 1,639.75/x
  3. Step 3: Cross multiply
    792.25x = 1,639.75 × 1,639.75
  4. Step 4: Simplify right side
    792.25x = 2,688,780.06
  5. Step 5: Solve for x
    x = 2,688,780.06/792.25
  6. Step 6: Final answer
    x = 3,393.85

Related Problems

Find third proportional to 396.13 and 819.88
Half scale
Find third proportional to 1,584.50 and 3,279.50
Double scale
Find third proportional to 794 and 1,644
Similar ratio
Find third proportional to 1,188.38 and 2,459.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.