Home / 319,214-685,467

Finding the Third Proportional to 319,214 and 685,467

Calculator

Solution

The third proportional to 319,214 and 685,467 is: 1,471,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,214 : 685,467 = 685,467 : x
  2. Step 2: Convert to fraction form
    319,214/685,467 = 685,467/x
  3. Step 3: Cross multiply
    319,214x = 685,467 × 685,467
  4. Step 4: Simplify right side
    319,214x = 469,865,008,089
  5. Step 5: Solve for x
    x = 469,865,008,089/319,214
  6. Step 6: Final answer
    x = 1,471,943.61

Related Problems

Find third proportional to 159,607 and 342,733.50
Half scale
Find third proportional to 638,428 and 1,370,934
Double scale
Find third proportional to 319,216 and 685,471
Similar ratio
Find third proportional to 478,821 and 1,028,200.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.