Home / 215,298-439,344

Finding the Third Proportional to 215,298 and 439,344

Calculator

Solution

The third proportional to 215,298 and 439,344 is: 896,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,298 : 439,344 = 439,344 : x
  2. Step 2: Convert to fraction form
    215,298/439,344 = 439,344/x
  3. Step 3: Cross multiply
    215,298x = 439,344 × 439,344
  4. Step 4: Simplify right side
    215,298x = 193,023,150,336
  5. Step 5: Solve for x
    x = 193,023,150,336/215,298
  6. Step 6: Final answer
    x = 896,539.45

Related Problems

Find third proportional to 107,649 and 219,672
Half scale
Find third proportional to 430,596 and 878,688
Double scale
Find third proportional to 215,300 and 439,348
Similar ratio
Find third proportional to 322,947 and 659,016
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.