Home / 319,438-479,166

Finding the Third Proportional to 319,438 and 479,166

Calculator

Solution

The third proportional to 319,438 and 479,166 is: 718,762.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,438 : 479,166 = 479,166 : x
  2. Step 2: Convert to fraction form
    319,438/479,166 = 479,166/x
  3. Step 3: Cross multiply
    319,438x = 479,166 × 479,166
  4. Step 4: Simplify right side
    319,438x = 229,600,055,556
  5. Step 5: Solve for x
    x = 229,600,055,556/319,438
  6. Step 6: Final answer
    x = 718,762.50

Related Problems

Find third proportional to 159,719 and 239,583
Half scale
Find third proportional to 638,876 and 958,332
Double scale
Find third proportional to 319,440 and 479,169
Similar ratio
Find third proportional to 479,157 and 718,749
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.