Home / 296,416-639,160

Finding the Third Proportional to 296,416 and 639,160

Calculator

Solution

The third proportional to 296,416 and 639,160 is: 1,378,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,416 : 639,160 = 639,160 : x
  2. Step 2: Convert to fraction form
    296,416/639,160 = 639,160/x
  3. Step 3: Cross multiply
    296,416x = 639,160 × 639,160
  4. Step 4: Simplify right side
    296,416x = 408,525,505,600
  5. Step 5: Solve for x
    x = 408,525,505,600/296,416
  6. Step 6: Final answer
    x = 1,378,216.78

Related Problems

Find third proportional to 148,208 and 319,580
Half scale
Find third proportional to 592,832 and 1,278,320
Double scale
Find third proportional to 296,418 and 639,164
Similar ratio
Find third proportional to 444,624 and 958,740
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.