Home / 319,488-681,696

Finding the Third Proportional to 319,488 and 681,696

Calculator

Solution

The third proportional to 319,488 and 681,696 is: 1,454,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,488 : 681,696 = 681,696 : x
  2. Step 2: Convert to fraction form
    319,488/681,696 = 681,696/x
  3. Step 3: Cross multiply
    319,488x = 681,696 × 681,696
  4. Step 4: Simplify right side
    319,488x = 464,709,436,416
  5. Step 5: Solve for x
    x = 464,709,436,416/319,488
  6. Step 6: Final answer
    x = 1,454,544.26

Related Problems

Find third proportional to 159,744 and 340,848
Half scale
Find third proportional to 638,976 and 1,363,392
Double scale
Find third proportional to 319,490 and 681,700
Similar ratio
Find third proportional to 479,232 and 1,022,544
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.