Home / 310,317-442,936

Finding the Third Proportional to 310,317 and 442,936

Calculator

Solution

The third proportional to 310,317 and 442,936 is: 632,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,317 : 442,936 = 442,936 : x
  2. Step 2: Convert to fraction form
    310,317/442,936 = 442,936/x
  3. Step 3: Cross multiply
    310,317x = 442,936 × 442,936
  4. Step 4: Simplify right side
    310,317x = 196,192,300,096
  5. Step 5: Solve for x
    x = 196,192,300,096/310,317
  6. Step 6: Final answer
    x = 632,231.88

Related Problems

Find third proportional to 155,158.50 and 221,468
Half scale
Find third proportional to 620,634 and 885,872
Double scale
Find third proportional to 310,319 and 442,939
Similar ratio
Find third proportional to 465,475.50 and 664,404
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.