Home / 278,668-610,736

Finding the Third Proportional to 278,668 and 610,736

Calculator

Solution

The third proportional to 278,668 and 610,736 is: 1,338,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,668 : 610,736 = 610,736 : x
  2. Step 2: Convert to fraction form
    278,668/610,736 = 610,736/x
  3. Step 3: Cross multiply
    278,668x = 610,736 × 610,736
  4. Step 4: Simplify right side
    278,668x = 372,998,461,696
  5. Step 5: Solve for x
    x = 372,998,461,696/278,668
  6. Step 6: Final answer
    x = 1,338,504.82

Related Problems

Find third proportional to 139,334 and 305,368
Half scale
Find third proportional to 557,336 and 1,221,472
Double scale
Find third proportional to 278,670 and 610,740
Similar ratio
Find third proportional to 418,002 and 916,104
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.