Home / 320,610-498,416

Finding the Third Proportional to 320,610 and 498,416

Calculator

Solution

The third proportional to 320,610 and 498,416 is: 774,830.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,610 : 498,416 = 498,416 : x
  2. Step 2: Convert to fraction form
    320,610/498,416 = 498,416/x
  3. Step 3: Cross multiply
    320,610x = 498,416 × 498,416
  4. Step 4: Simplify right side
    320,610x = 248,418,509,056
  5. Step 5: Solve for x
    x = 248,418,509,056/320,610
  6. Step 6: Final answer
    x = 774,830.82

Related Problems

Find third proportional to 160,305 and 249,208
Half scale
Find third proportional to 641,220 and 996,832
Double scale
Find third proportional to 320,612 and 498,419
Similar ratio
Find third proportional to 480,915 and 747,624
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.