Home / 161,422-318,708

Finding the Third Proportional to 161,422 and 318,708

Calculator

Solution

The third proportional to 161,422 and 318,708 is: 629,249.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,422 : 318,708 = 318,708 : x
  2. Step 2: Convert to fraction form
    161,422/318,708 = 318,708/x
  3. Step 3: Cross multiply
    161,422x = 318,708 × 318,708
  4. Step 4: Simplify right side
    161,422x = 101,574,789,264
  5. Step 5: Solve for x
    x = 101,574,789,264/161,422
  6. Step 6: Final answer
    x = 629,249.97

Related Problems

Find third proportional to 80,711 and 159,354
Half scale
Find third proportional to 322,844 and 637,416
Double scale
Find third proportional to 161,424 and 318,712
Similar ratio
Find third proportional to 242,133 and 478,062
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.