Home / 319,414-479,130

Finding the Third Proportional to 319,414 and 479,130

Calculator

Solution

The third proportional to 319,414 and 479,130 is: 718,708.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,414 : 479,130 = 479,130 : x
  2. Step 2: Convert to fraction form
    319,414/479,130 = 479,130/x
  3. Step 3: Cross multiply
    319,414x = 479,130 × 479,130
  4. Step 4: Simplify right side
    319,414x = 229,565,556,900
  5. Step 5: Solve for x
    x = 229,565,556,900/319,414
  6. Step 6: Final answer
    x = 718,708.50

Related Problems

Find third proportional to 159,707 and 239,565
Half scale
Find third proportional to 638,828 and 958,260
Double scale
Find third proportional to 319,416 and 479,133
Similar ratio
Find third proportional to 479,121 and 718,695
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.