Home / 319,389-681,627

Finding the Third Proportional to 319,389 and 681,627

Calculator

Solution

The third proportional to 319,389 and 681,627 is: 1,454,700.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,389 : 681,627 = 681,627 : x
  2. Step 2: Convert to fraction form
    319,389/681,627 = 681,627/x
  3. Step 3: Cross multiply
    319,389x = 681,627 × 681,627
  4. Step 4: Simplify right side
    319,389x = 464,615,367,129
  5. Step 5: Solve for x
    x = 464,615,367,129/319,389
  6. Step 6: Final answer
    x = 1,454,700.59

Related Problems

Find third proportional to 159,694.50 and 340,813.50
Half scale
Find third proportional to 638,778 and 1,363,254
Double scale
Find third proportional to 319,391 and 681,631
Similar ratio
Find third proportional to 479,083.50 and 1,022,440.50
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.